B2 verb #25,000 よく出る 12分で読める

stratosphere

Imagine our Earth is like an onion, with many layers around it. One of these layers, very high up, is called the stratosphere.

It's the part of the sky where airplanes fly for a long time. When we talk about something being in the "stratosphere," it means it's extremely high, like prices that are very, very expensive, or someone's success that is at the top.

So, it means something is at a very high level.

The stratosphere is like a very high part of the sky, far above where planes usually fly. It's one of the layers that surround our Earth.

We also use "stratosphere" to talk about things that are at a very, very high level. For example, if prices for something go into the stratosphere, it means they have become extremely high.

So, it can describe something literally high in the atmosphere or something that has reached a top level, like someone's career or social standing becoming very successful.

The word "stratosphere" refers to a very high layer of the Earth's atmosphere. However, at a B2 level, it's more commonly used metaphorically to describe an extremely high level or state.

For example, you might talk about prices reaching the "stratosphere," meaning they have become incredibly high.

Similarly, someone's success or social status could be described as being in the "stratosphere" to emphasize its elevated level.

It implies reaching a peak or a very significant high point in a particular context.

The term "stratosphere," while literally denoting an atmospheric layer, is frequently employed metaphorically to describe an exceptionally elevated status or level.

This can manifest in various contexts, such as an unprecedented surge in prices, a remarkable degree of success, or a commanding position within a social hierarchy.

It evokes a sense of reaching an ultimate, often rarefied, height beyond conventional boundaries.

Essentially, anything described as being in the stratosphere has attained an extreme and often unparalleled elevation.

While primarily a noun denoting a specific atmospheric layer, "stratosphere" can be metaphorically verbed, though less commonly, to imply an action of reaching or elevating to an exceptionally high level. This usage suggests a dramatic ascent or an achievement of unparalleled status, often in contexts of success, pricing, or social standing. For instance, one might say a company's stock prices "stratosphered" after a major announcement, indicating a rapid and significant increase. This verbification emphasizes the extreme nature of the elevation, drawing a parallel to the immense altitude of the atmospheric stratosphere. It conveys a sense of breaking through previous limits and occupying a superior, often rarefied, position.

§ What does 'stratosphere' mean?

The word 'stratosphere' has a fascinating duality in its meaning. Most literally, it refers to a specific layer of Earth's atmosphere. Think of it as the second major atmospheric layer, sitting comfortably above the troposphere (where we live and where most weather occurs) and beneath the mesosphere. This scientific definition is precise and well-understood in fields like meteorology and atmospheric science.

However, in everyday language, 'stratosphere' takes on a much more figurative and evocative meaning. When people use 'stratosphere' outside of a scientific context, they are almost always referring to an extremely high, elevated, or exalted level or state. It’s a powerful metaphor for things that have reached an exceptional position, whether good or bad.

Definition
The second major layer of Earth's atmosphere, located above the troposphere and below the mesosphere. Metaphorically, it refers to an extremely high level or state, such as in prices, success, or social status.

§ When do people use it?

People use the metaphorical 'stratosphere' to describe situations where something has reached an unprecedented or remarkable height. Here are some common contexts:

  • Prices and Costs: When prices for goods, services, or assets become exceptionally high, almost out of reach for most people, they are said to be in the stratosphere. This often implies a degree of unsustainability or unaffordability.
  • Success and Achievement: Individuals, teams, or organizations that achieve extraordinary levels of success, fame, or recognition are often described as having reached the stratosphere. This highlights their unparalleled accomplishments.
  • Social Status or Influence: Similarly, someone with immense social standing, power, or influence might be said to be operating in the stratosphere of society.
  • Goals and Ambitions: When setting extremely high or ambitious goals, one might talk about aiming for the stratosphere, indicating a desire to achieve something truly remarkable.
  • Emotional States: Less commonly, but still applicable, one might describe feelings or moods as being in the stratosphere if they are intensely high, like stratospheric joy or excitement.

The word evokes a sense of elevation, distance from the ordinary, and sometimes, a certain exclusivity. It implies a significant departure from average or normal levels.

After the tech boom, property values in the city soared into the stratosphere, making it difficult for new families to afford homes.

Her latest novel launched her career into the literary stratosphere, earning her critical acclaim and a massive fan base.

It's important to note that while 'stratosphere' is defined as a verb in your prompt, it is almost exclusively used as a noun in modern English, often preceded by a preposition like 'into' or 'in the' to describe movement or state. Its verbal form ('to stratosphere') is extremely rare and would sound unnatural to most native speakers. The prompt likely intended 'stratosphere' as a noun for this CEFR B2 level explanation.

§ Definition

Meaning
The stratosphere is the second major layer of Earth's atmosphere, located above the troposphere and below the mesosphere. Metaphorically, it refers to an extremely high level or state, such as in prices, success, or social status.

§ How to use it in a sentence — grammar, prepositions

When using "stratosphere" as a verb, it generally implies a rapid ascent to an exceptionally high point. It's often used with adverbs like "into" or "to" to indicate the direction of this ascent. Keep in mind that this verbal usage is more figurative than literal, similar to how one might say prices "skyrocket."

  • As a noun: This is the most common and standard usage.
  • As a verb (figurative): Though less common, you might hear or read it used this way in informal contexts to emphasize a dramatic increase.

Let's look at some examples to clarify its usage, particularly in its more common noun form, and then touch upon its less frequent verbal application.

§ Common Noun Usage

When "stratosphere" is used as a noun, it refers to a specific layer of the atmosphere or, metaphorically, to a very high level.

Grammar
Noun, often preceded by articles like 'the' or possessive determiners.
Prepositions
Commonly used with 'in the stratosphere,' 'into the stratosphere,' 'to the stratosphere,' or 'from the stratosphere.'

The ozone layer is located in the stratosphere, protecting Earth from harmful UV radiation.

After the successful product launch, the company's stock price soared into the stratosphere.

His career trajectory has taken him to the stratosphere of professional achievement.

§ Less Common Verbal Usage (Figurative)

While not a standard verb, in very informal or creative writing, you might encounter "stratosphere" being used to describe the act of reaching that very high level.

Grammar
Used as a verb, often in past tense or as a participle. This usage is highly informal and should be used with caution in formal writing.
Prepositions
Might be followed by 'into' or 'to' to indicate the target of the ascent.

The startup's valuation stratosphered after the successful funding round.

With her latest album, she truly stratosphered into global fame.

§ Related Terms and Concepts

Understanding related terms can further clarify the use of "stratosphere."

  • Troposphere: The layer of the atmosphere directly below the stratosphere, where most weather occurs.
  • Mesosphere: The layer of the atmosphere directly above the stratosphere.
  • Exosphere: The outermost layer of Earth's atmosphere.
  • Ionosphere: A region within the mesosphere and thermosphere characterized by ionized particles.
  • Skyrocket: A common verb used to describe a rapid and dramatic increase, often in prices or levels. This is a good alternative if you're looking for a more universally accepted verb to convey the idea of something going to an extremely high level.
  • Peak: To reach the highest point.
  • Ascend: To go up or climb.

§ Nuances and Context

The metaphorical use of "stratosphere" (whether as a noun or the less common verb) is about reaching an extreme, often unprecedented, height or level. It conveys a sense of grandeur and impressive achievement or, conversely, an alarming escalation.

When you say something has "stratosphered," you are not just saying it has increased; you are emphasizing that it has increased *massively* and *dramatically*, pushing past conventional limits. This makes it a strong, evocative word when used correctly and in the appropriate context.

§ Understanding the Core Meaning

The word "stratosphere" is a fascinating term with both a scientific and a metaphorical meaning. While its literal definition refers to a specific layer of Earth's atmosphere, its metaphorical use is where most of the confusion and mistakes arise. To truly master this word, it's crucial to grasp both aspects.

DEFINITION
The stratosphere is the second major layer of Earth's atmosphere, located above the troposphere and below the mesosphere. Metaphorically, it refers to an extremely high level or state, such as in prices, success, or social status.

The biggest mistake people make is failing to distinguish between these two meanings, or misapplying the metaphorical sense. Let's delve into some common pitfalls.

§ Mistake 1: Using it as a Verb

One of the most frequent errors is attempting to use "stratosphere" as a verb. It is exclusively a noun. You cannot "stratosphere" something, nor can something "stratosphere." This mistake often stems from an understanding of its metaphorical meaning as something going extremely high, leading to an incorrect verb formation.

Incorrect: "The company's profits stratosphered this quarter."

Correct: "The company's profits reached the stratosphere this quarter."

§ Mistake 2: Incorrect Prepositions and Phrasing

When using "stratosphere" metaphorically, the choice of preposition is crucial. People often struggle with whether to use "in the stratosphere," "to the stratosphere," or other variations. The correct preposition depends on the intended meaning of movement or location.

  • "In the stratosphere": This implies that something is already at a very high level or state.

    Correct: "Housing prices are in the stratosphere."

  • "To the stratosphere": This implies movement or a rise towards an extremely high level.

    Correct: "His career trajectory shot to the stratosphere after that success."

§ Mistake 3: Overuse and Misapplication

While "stratosphere" is a powerful word, its overuse can diminish its impact. It should be reserved for truly exceptional and extreme situations. Applying it to mundane or slightly elevated levels can make your language sound exaggerated or unnatural.

Incorrect: "The temperature today reached the stratosphere at 25 degrees Celsius." (Unless it's an unusually high temperature for the region, this is an exaggeration).

Correct: "After the unexpected announcement, the company's stock price immediately shot to the stratosphere."

§ Mistake 4: Confusing it with other atmospheric layers

While less common in metaphorical use, some learners might confuse "stratosphere" with other layers of the atmosphere, like the troposphere or exosphere, especially if they are trying to use it in a scientific context. Always remember its specific position in Earth's atmosphere.

  • The troposphere is the lowest layer, where weather occurs.

  • The stratosphere is above the troposphere and contains the ozone layer.

  • The mesosphere is above the stratosphere.

§ Recap for Mastery

To avoid common mistakes with "stratosphere," keep these key points in mind:

  • It is a noun only, never a verb.

  • Use appropriate prepositions: "in the stratosphere" (location) or "to the stratosphere" (direction).

  • Reserve its metaphorical use for truly extreme or exceptionally high levels.

  • Understand its literal meaning as a specific layer of Earth's atmosphere.

By being mindful of these distinctions, you can use "stratosphere" accurately and effectively, adding a powerful and nuanced word to your vocabulary.

§ Similar Words and When to Use 'Stratosphere' vs. Alternatives

The word 'stratosphere' is primarily a noun, referring to a layer of the Earth's atmosphere. However, it is very commonly used metaphorically to describe an extremely high level or state, often implying something that is far above the norm, difficult to reach, or outstanding in its field. When used in this figurative sense, it conveys a strong sense of elevation and exclusivity. Understanding its nuances in comparison to similar words is key to using it effectively.

§ Alternatives for 'High Level' or 'Extremely High State'

Several words can convey a similar idea of a high or elevated state, but 'stratosphere' often adds a unique flavor due to its origin in atmospheric science.

Apex
The top or highest part of something, especially one forming a point. It suggests a peak or climax of achievement or position.

Reaching the apex of his career, the artist was celebrated globally.

Zenith
The time at which something is most powerful or successful. Similar to 'apex,' it often refers to a high point in time or development.

The Roman Empire was at its zenith of power under Emperor Augustus.

Pinnacle
The most successful point; the culmination. Often used for achievements or the highest point of a structure.

Winning the championship was the pinnacle of the team's season.

Acme
The point at which someone or something is best or most highly developed. It's often used for abstract concepts like perfection or skill.

The sculpture represented the acme of classical artistry.

Echelon
A level or rank in an organization, a profession, or society. 'Echelon' is more about hierarchical layers than a singular peak.

Only a select few reach the upper echelons of corporate leadership.

§ When to Use 'Stratosphere'

Use 'stratosphere' when you want to emphasize:

  • Extreme Height or Level: It suggests a level that is significantly higher than usual, often implying a vast difference from what is below.
  • Exclusivity or Rarity: Reaching the 'stratosphere' often means being among a select few, due to the difficulty or uniqueness of that position.
  • Figurative Elevation: It works particularly well for abstract concepts like prices, success, or social status, giving a sense of being 'up there' and far removed.
  • A Sense of Awe or Impressiveness: The term can evoke a feeling of wonder or admiration for something that has reached such a high state.

The company's stock prices soared into the stratosphere after the groundbreaking announcement.

Her talent for classical music placed her in the stratosphere of international performers.

§ Distinguishing 'Stratosphere' from Other Words

The key difference lies in the imagery and connotation:

  • 'Apex,' 'Zenith,' 'Pinnacle,' 'Acme': These words all refer to a singular highest point. 'Stratosphere,' while also denoting a high level, can sometimes imply a broader, though still exclusive, range of very high levels, similar to how the atmospheric layer has a certain thickness. It also carries a sense of being 'up there' rather than just 'at the top point.'
  • 'Echelon': This term is about rank or level within a hierarchy. While the 'stratosphere' of society or a profession might encompass the highest echelons, 'echelon' doesn't necessarily convey the same extreme, almost out-of-reach height that 'stratosphere' does.

In essence, 'stratosphere' brings a vivid, almost cosmic, metaphor to the idea of extreme elevation, making it a powerful choice when you want to convey not just high status, but a truly remarkable and elevated position.

知っておくべき文法

Nouns can be made plural by adding '-s' or '-es' to the end of the word. For example, 'stratospheres'.

The balloons ascended into the stratospheres.

Adjectives describe nouns and can be used to modify 'stratosphere'. For example, 'upper stratosphere'.

The airplane reached the upper stratosphere.

Verbs are action words and can be used to describe actions related to the stratosphere. For example, 'to enter the stratosphere'.

Scientists plan to enter the stratosphere for research.

Prepositions show the relationship between a noun or pronoun and other words in a sentence. For example, 'in the stratosphere'.

There are unique weather patterns in the stratosphere.

Articles (a, an, the) are used before nouns. 'The' is used for specific nouns, and 'a/an' for general nouns. For example, 'the stratosphere'.

The stratosphere protects us from harmful UV rays.

レベル別の例文

1

The balloon floated up into the stratosphere, far above the clouds.

The balloon floated up into the very high part of the atmosphere, far above the clouds.

Here, 'stratosphere' refers to the atmospheric layer.

2

After the new product launch, the company's profits soared into the stratosphere.

After the new product launch, the company's profits went up very, very high.

This is a metaphorical use, meaning 'extremely high level'.

3

Her career reached the stratosphere after she won the international award.

Her career became very, very successful after she won the international award.

This is a metaphorical use, meaning 'an extremely high level of success'.

4

The cost of houses in the city has risen to the stratosphere.

The cost of houses in the city has become extremely high.

This is a metaphorical use, meaning 'an extremely high level of prices'.

5

Only a few special airplanes can fly in the stratosphere.

Only a few special airplanes can fly in the second highest layer of Earth's atmosphere.

Here, 'stratosphere' refers to the atmospheric layer.

6

He felt like he was in the stratosphere when he finally achieved his dream.

He felt like he was at a very, very high level of happiness when he finally achieved his dream.

This is a metaphorical use, meaning 'an extremely high state of being'.

7

The athlete's performance put him in the stratosphere of his sport.

The athlete's performance put him at the very highest level in his sport.

This is a metaphorical use, meaning 'an extremely high level of achievement'.

8

With hard work, your grades can also climb into the stratosphere.

With hard work, your grades can also become very, very high.

This is a metaphorical use, meaning 'an extremely high level of academic achievement'.

1

After years of hard work, her career finally began to stratosphere, reaching the highest levels of success in her field.

Stratosphere (verb) - achieve a very high level

Using 'stratosphere' as a verb to indicate a rapid and significant increase.

2

The company's stock prices began to stratosphere after the announcement of their groundbreaking new product.

Stratosphere (verb) - rise to an extremely high level

Implies a dramatic and quick ascent in value.

3

With her exceptional talent and dedication, she was destined to stratosphere to the top of the music industry.

Stratosphere (verb) - ascend to the highest position

Used to describe an individual's upward trajectory in a career.

4

The team's performance started to stratosphere after they implemented a new training regimen, leading to an undefeated season.

Stratosphere (verb) - improve dramatically

Refers to a significant and noticeable improvement.

5

Many young entrepreneurs aspire to stratosphere their startups into multi-million dollar enterprises.

Stratosphere (verb) - elevate to a very high status

Used to describe the ambition of reaching a high level of business success.

6

The popularity of the new fashion trend began to stratosphere, appearing in every magazine and on every runway.

Stratosphere (verb) - become extremely popular

Indicates a widespread and rapid increase in popularity.

7

Despite early setbacks, his determination allowed him to stratosphere his personal achievements to an unprecedented level.

Stratosphere (verb) - raise to an extraordinary degree

Emphasizes the idea of overcoming challenges to reach great heights.

8

If the government doesn't intervene, housing prices in the city will continue to stratosphere, making it unaffordable for many.

Stratosphere (verb) - increase uncontrollably to a very high point

Used to describe an undesirable and rapid escalation.

1

After years of dedicated research, her groundbreaking discovery launched her career into the stratosphere of scientific acclaim.

Stratosphere here refers to an extremely high level of acclaim.

The phrase 'launched into the stratosphere' is an idiomatic expression signifying a rapid rise to a very high level.

2

The company's stock prices soared into the stratosphere after the announcement of their innovative new product.

Stratosphere indicates a very high level for stock prices.

The verb 'soared' emphasizes the rapid and significant increase.

3

Achieving such a significant victory propelled the athlete into the stratosphere of sporting legends.

Here, stratosphere denotes an extremely high status among sporting legends.

The verb 'propelled' suggests a powerful and forceful movement to this high level.

4

The cost of living in the city has reached the stratosphere, making it difficult for many to afford housing.

Stratosphere describes an extremely high level for the cost of living.

'Reached the stratosphere' implies a gradual but significant increase over time.

5

Her latest novel, a critical and commercial success, elevated her reputation into the literary stratosphere.

Stratosphere refers to an extremely high level of literary reputation.

The verb 'elevated' suggests a rise in status or importance.

6

Despite his humble beginnings, his talent and hard work allowed him to climb into the stratosphere of the fashion world.

Stratosphere indicates an extremely high position within the fashion world.

The verb 'climb' implies a more arduous but ultimately successful ascent.

7

The concert's ticket prices shot into the stratosphere within minutes of going on sale, reflecting overwhelming demand.

Stratosphere describes an extremely high level for ticket prices.

'Shot into the stratosphere' emphasizes the sudden and rapid increase.

8

With the discovery of a new energy source, the nation's economic prosperity is expected to enter the stratosphere.

Stratosphere here signifies an extremely high level of economic prosperity.

The phrase 'enter the stratosphere' suggests a future state of extremely high growth or success.

1

With the launch of their groundbreaking new product, the company's stock value soared into the stratosphere, delighting investors.

Stratosphere here refers to an extremely high level of stock value.

The verb 'soared' is used with 'into the stratosphere' to indicate a rapid and significant increase.

2

Critics lauded the young prodigy's performance as reaching artistic stratosphere, setting a new benchmark for excellence.

Artistic stratosphere means an exceptionally high level of artistic achievement.

The phrase 'reaching artistic stratosphere' signifies achieving an unparalleled level of skill or quality.

3

Despite the global economic downturn, luxury real estate prices in the capital continued their ascent into the stratosphere, becoming unaffordable for most.

Real estate prices climbing to the stratosphere means they reached extremely high levels.

The phrase 'continued their ascent into the stratosphere' emphasizes a sustained and significant increase.

4

The ambitious scientist aimed to propel his research into the scientific stratosphere, hoping to revolutionize the field of quantum physics.

To propel research into the scientific stratosphere means to elevate it to an extremely advanced and influential level.

The verb 'propel' with 'into the stratosphere' suggests a powerful and determined effort to reach a high level.

5

After years of dedicated practice, the athlete's performance finally reached the competitive stratosphere, earning him international acclaim.

Competitive stratosphere refers to an extremely high level of performance in sports.

The phrase 'reached the competitive stratosphere' indicates achieving a peak level of athletic ability.

6

The band's latest album propelled them into the pop culture stratosphere, making them household names overnight.

Pop culture stratosphere means an extremely high level of fame and influence in popular culture.

The verb 'propelled' is used to show how the album dramatically elevated their status.

7

His innovative business model launched the startup into the entrepreneurial stratosphere, attracting significant investment and market dominance.

Entrepreneurial stratosphere means achieving an exceptionally high level of success and recognition in business.

The verb 'launched' with 'into the entrepreneurial stratosphere' signifies a rapid and successful rise.

8

The philosopher's theories, initially obscure, eventually ascended into the intellectual stratosphere, profoundly influencing subsequent generations of thinkers.

Intellectual stratosphere refers to an extremely high and influential level of thought and ideas.

The verb 'ascended' with 'into the intellectual stratosphere' suggests a gradual but ultimately significant rise in prominence.

類義語

upper atmosphere heavens heights zenith sky summit

反対語

慣用句と表現

"reach for the sky"

To set very ambitious goals; to aim high.

With hard work and dedication, she truly reached for the sky in her career.

neutral

"on top of the world"

Feeling extremely happy and successful.

After winning the championship, the team was on top of the world.

informal

"the sky's the limit"

There is no limit to what can be achieved.

With her talent and drive, the sky's the limit for her future.

neutral

"in seventh heaven"

Feeling extremely happy or blissful.

When he got the promotion, he was in seventh heaven.

informal

"high-flying"

Very successful or ambitious, especially in a career.

She's a high-flying executive in the tech industry.

neutral

"to be on a high"

To be in a state of great excitement or euphoria.

After the successful launch, the whole team was on a high.

informal

"shoot for the moon"

To aim for something very difficult or seemingly impossible.

Even if we don't reach it, we should always shoot for the moon with our goals.

neutral

"through the roof"

Increasing to a very high level, often quickly and dramatically (e.g., prices, emotions).

When the news broke, enthusiasm for the product went through the roof.

informal

"at the pinnacle of success"

At the highest point of achievement or success.

After years of hard work, he found himself at the pinnacle of success.

formal

"to be elevated"

To be raised to a higher rank or position, or to a more important level.

Her outstanding performance led to her being elevated to a senior management role.

formal

使い方

The term "stratosphere" is primarily a noun referring to a layer of the atmosphere. While it can be used metaphorically to describe a very high level or state, it's not typically used as a verb. Instead of saying something like "The prices **stratosphered**," it's more natural and grammatically correct to say "The prices **rose into the stratosphere**" or "The prices **skyrocketed**."

よくある間違い

A common mistake is attempting to use "stratosphere" as a verb. For example, 'The company's profits **stratosphered** last quarter.' This is incorrect. The correct usage would be: 'The company's profits **reached the stratosphere** last quarter,' or 'The company's profits **skyrocketed** last quarter.'

ヒント

Understand the literal meaning first

Start by understanding the scientific definition of stratosphere as a layer of Earth's atmosphere. This provides a concrete foundation for its metaphorical uses.

Connect to 'high' concepts

Recognize that both the literal and metaphorical meanings of stratosphere relate to something being very high. Think of things that are 'above' or 'beyond' normal levels.

Practice with examples of 'high' prices

Formulate sentences where stratosphere describes extremely high prices, such as 'The cost of housing in that city has reached the stratosphere.'

Apply to success or achievements

Use stratosphere to describe significant success or achievements. For instance, 'Her career took off into the stratosphere after her groundbreaking discovery.'

Consider social status contexts

Think about how stratosphere can relate to social status. An example might be, 'His aristocratic background placed him in the social stratosphere.'

Create a visual image

When you hear stratosphere, imagine something literally soaring upwards, far above everything else. This visual can help reinforce its meaning.

Use it in various sentence structures

Experiment with using stratosphere in different parts of a sentence. It can be a noun (reaching the stratosphere) or part of a descriptive phrase (stratospheric prices).

Contrast with 'ground level'

To solidify your understanding, think of the opposite of stratosphere in its metaphorical sense, which would be 'ground level' or 'rock bottom'.

Avoid literal over-application

Remember that while it originates from a literal scientific term, its common usage at CEFR B2 is metaphorical. Don't try to use it in scientific contexts unless you are truly discussing atmospheric layers.

Explore related terms like 'echelon'

For advanced learners, compare stratosphere with synonyms or related concepts such as 'echelon' or 'pinnacle' to understand nuances in meaning and usage.

暗記しよう

記憶術

To remember the definition of 'stratosphere' as a high level or state, you can use the mnemonic '**S**ky-**T**op **R**eaches **A**ll-time **T**op **O**f **S**uccess, **P**rices, **H**igh **E**chelons, **R**eaching **E**xtremely high levels.' This helps you recall the metaphorical meaning by connecting each letter to a word related to height or achievement.

視覚的連想

Imagine a rocket launching into the 'stratosphere' of success. As it ascends, visualize the rocket passing through layers, each representing a higher level of achievement. When it reaches the 'stratosphere,' it's at an extremely high and successful point, soaring above everything else. This visual reinforces the idea of an elevated state.

Word Web

atmosphere layer high level success prices social status

チャレンジ

Try using 'stratosphere' in a sentence to describe something that has reached an extremely high level. For example, 'The company's stock prices soared into the stratosphere after the successful product launch.' Or, 'Her career trajectory launched her into the stratosphere of the fashion world.' This helps solidify your understanding and usage of the word.

よくある質問

10 問

The stratosphere is the second layer of Earth's atmosphere, situated directly above the troposphere and below the mesosphere. It's known for containing the ozone layer, which absorbs most of the sun's ultraviolet (UV) radiation.

Metaphorically, 'stratosphere' is used to describe an extremely high level or state. For example, you might hear about 'stratospheric prices' to indicate very high costs, or someone reaching 'stratospheric success' meaning they've achieved a very high level of achievement.

Literally: 'Airplanes typically cruise in the lower part of the stratosphere.' Metaphorically: 'The company's stock prices soared into the stratosphere after the successful product launch.'

The word 'stratosphere' comes from the Latin word 'stratum,' meaning 'layer,' and the Greek word 'sphaira,' meaning 'globe' or 'ball.' It was coined in the early 20th century to describe the layered structure of this atmospheric region.

Yes, you might encounter terms like 'troposphere' (the layer below the stratosphere), 'mesosphere' (the layer above it), and 'thermosphere' and 'exosphere' (the outermost layers). For the metaphorical sense, 'sky-high,' 'lofty,' or 'exorbitant' can be similar in meaning.

While the scientific term might be more common in academic or news contexts, its metaphorical use, especially to describe high levels of prices or success, is quite common in general conversation and media.

Based on the CEFR B2 level, 'stratosphere' is considered an intermediate to upper-intermediate vocabulary word. It's a word that a learner at this level should be able to understand and potentially use.

No, the conditions in the stratosphere are too harsh for most life forms as we know them. While some microscopic organisms might be carried up there, it's not a habitable zone for plants or animals.

Yes, unlike the troposphere where temperature generally decreases with altitude, the temperature in the stratosphere actually increases with altitude. This is due to the ozone layer absorbing UV radiation from the sun, which heats up this part of the atmosphere.

The stratosphere is incredibly important because it contains the ozone layer. This layer protects Earth from harmful ultraviolet (UV) radiation from the sun, which can cause skin cancer, cataracts, and harm to ecosystems.

自分をテスト 156 問

fill blank A1

The airplane flew high into the ___.

正解! おしい! 正解: sky

The stratosphere is very high in the sky.

fill blank A1

The balloon went up, up, and up, almost to the ___.

正解! おしい! 正解: stratosphere

The stratosphere is a very high place.

fill blank A1

Birds fly in the ___, but not as high as the stratosphere.

正解! おしい! 正解: air

Birds fly in the air.

fill blank A1

The rocket can go to the ___ and even higher.

正解! おしい! 正解: stratosphere

Rockets fly very high, often reaching the stratosphere.

fill blank A1

The clouds are below the ___.

正解! おしい! 正解: stratosphere

Clouds are in a lower part of the atmosphere than the stratosphere.

fill blank A1

It is very cold in the ___ because it is so high.

正解! おしい! 正解: stratosphere

The stratosphere is very high up, so it is cold.

multiple choice A1

The airplane flew very high, into the ____.

正解! おしい! 正解: stratosphere

The stratosphere is a very high layer of the atmosphere where airplanes often fly.

multiple choice A1

Prices for the new toy went into the ____. They were very, very high!

正解! おしい! 正解: stratosphere

When prices go into the stratosphere, it means they are extremely high.

multiple choice A1

Her success reached the ____. Everyone knew her name!

正解! おしい! 正解: stratosphere

Reaching the stratosphere metaphorically means achieving an extremely high level of success.

true false A1

The stratosphere is a very low part of the sky.

正解! おしい! 正解: 間違い

The stratosphere is the second major layer of Earth's atmosphere, which is high above the ground.

true false A1

If something is in the stratosphere, it means it is very high.

正解! おしい! 正解: 正しい

Metaphorically, 'stratosphere' refers to an extremely high level or state.

true false A1

A small car can fly into the stratosphere.

正解! おしい! 正解: 間違い

Only special aircraft like airplanes can reach the stratosphere, not ordinary cars.

listening A1

Listen for where the plane is flying.

正解! おしい! 正解: The plane flies high in the sky.
正解! おしい! 正解:
listening A1

Listen for the direction the balloon is going.

正解! おしい! 正解: The balloon went up, up, up!
正解! おしい! 正解:
listening A1

Listen for how high birds fly.

正解! おしい! 正解: Birds fly very high.
正解! おしい! 正解:
speaking A1

Read this aloud:

Sky is blue.

Focus: blue

正解! おしい! 正解:
speaking A1

Read this aloud:

The sun is up.

Focus: up

正解! おしい! 正解:
speaking A1

Read this aloud:

High in the air.

Focus: high, air

正解! おしい! 正解:
writing A1

Write a short sentence about something that is very high. You can think of a tall building or a bird flying.

Well written! Good try! Check the sample answer below.

Sample answer

The bird flies very high in the sky.

正解! おしい! 正解:
writing A1

Imagine you are talking about the weather. What words would you use to describe a very high cloud?

Well written! Good try! Check the sample answer below.

Sample answer

The cloud is high in the sky.

正解! おしい! 正解:
writing A1

Write one sentence about a place that is 'above' something else.

Well written! Good try! Check the sample answer below.

Sample answer

The airplane is above the clouds.

正解! おしい! 正解:
reading A1

What goes very high in the sky?

Read this passage:

The children are playing outside. They see a balloon. The balloon goes up, up, up. It is very high in the sky.

What goes very high in the sky?

正解! おしい! 正解: a balloon

The passage says, 'The balloon goes up, up, up. It is very high in the sky.'

正解! おしい! 正解: a balloon

The passage says, 'The balloon goes up, up, up. It is very high in the sky.'

reading A1

Where do birds fly?

Read this passage:

Birds can fly. They fly high in the air. Some birds fly very, very high. They are above the houses.

Where do birds fly?

正解! おしい! 正解: in the air

The passage states, 'They fly high in the air.'

正解! おしい! 正解: in the air

The passage states, 'They fly high in the air.'

reading A1

What is very tall and high?

Read this passage:

Look at the mountain! It is very tall. The top of the mountain is very high. It is like it touches the sky.

What is very tall and high?

正解! おしい! 正解: a mountain

The passage describes 'the mountain' as 'very tall' and having a 'very high' top.

正解! おしい! 正解: a mountain

The passage describes 'the mountain' as 'very tall' and having a 'very high' top.

fill blank A2

The plane flew high into the ___.

正解! おしい! 正解: sky

The stratosphere is a part of the sky where planes fly.

fill blank A2

Her success reached the ___ after winning the award.

正解! おしい! 正解: top

Metaphorically, 'stratosphere' means a very high level, like 'top'.

fill blank A2

The prices of houses went into the ___ this year.

正解! おしい! 正解: clouds

When prices go into the 'stratosphere', it means they are very high, like 'clouds'.

fill blank A2

Birds do not usually fly in the ___.

正解! おしい! 正解: stratosphere

Birds fly much lower than the stratosphere.

fill blank A2

To reach the ___ in their career, they worked very hard.

正解! おしい! 正解: stratosphere

Reaching the 'stratosphere' in a career means achieving a very high level.

fill blank A2

The weather balloon went up to the ___ of the atmosphere.

正解! おしい! 正解: top

The stratosphere is a high layer in the Earth's atmosphere, close to the 'top'.

multiple choice A2

The prices of houses went into the ___ this year.

正解! おしい! 正解: stratosphere

To go into the stratosphere means to reach a very high level.

multiple choice A2

Her career is in the ___. She is very successful.

正解! おしい! 正解: stratosphere

To be in the stratosphere means to be at a very high level of success.

multiple choice A2

The temperature reached the ___ during the summer heatwave.

正解! おしい! 正解: stratosphere

To reach the stratosphere means to reach a very high level, in this case, of temperature.

true false A2

If something is in the stratosphere, it means it is very low.

正解! おしい! 正解: 間違い

The word 'stratosphere' means a very high level.

true false A2

A person whose social status is in the stratosphere is very important.

正解! おしい! 正解: 正しい

To be in the stratosphere means to have a very high level of social status.

true false A2

The stratosphere is a place where things are very common and ordinary.

正解! おしい! 正解: 間違い

The stratosphere refers to an extremely high or extraordinary level.

listening A2

Listen for where the balloon went.

正解! おしい! 正解: The balloon flew high into the sky, reaching the stratosphere.
正解! おしい! 正解:
listening A2

Listen for what happened to house prices.

正解! おしい! 正解: Prices for houses went into the stratosphere this year.
正解! おしい! 正解:
listening A2

Listen for what the movie did for her career.

正解! おしい! 正解: Her new movie launched her career into the stratosphere.
正解! おしい! 正解:
speaking A2

Read this aloud:

The airplane is flying in the stratosphere.

Focus: stra-to-sphere

正解! おしい! 正解:
speaking A2

Read this aloud:

His success reached the stratosphere.

Focus: stra-to-sphere

正解! おしい! 正解:
speaking A2

Read this aloud:

The temperature in the stratosphere is very cold.

Focus: stra-to-sphere

正解! おしい! 正解:
writing A2

Imagine you are flying very high in an airplane. Describe what you see and how you feel. Use simple words.

Well written! Good try! Check the sample answer below.

Sample answer

I am in an airplane. The sky is blue. I see white clouds below me. The houses look very small. I feel excited to be so high.

正解! おしい! 正解:
writing A2

Write two sentences about something that is very important or at a very high level for you. For example, 'My dreams are in the stratosphere.'

Well written! Good try! Check the sample answer below.

Sample answer

My grades are very important to me. I want them to be very high. My happiness is at a high level.

正解! おしい! 正解:
writing A2

If something is in the 'stratosphere', it means it's very high. Write a short sentence about something that is 'very high' for you, like a goal or a price.

Well written! Good try! Check the sample answer below.

Sample answer

My goal to learn English is very high. The price of that new toy is very high.

正解! おしい! 正解:
reading A2

Where can airplanes fly, according to the text?

Read this passage:

The Earth has many layers of air. The first layer is where we live and where clouds are. Above that, there is another layer of air. This layer is called the stratosphere. Airplanes can fly in this layer, and it is very high up.

Where can airplanes fly, according to the text?

正解! おしい! 正解: In the stratosphere

The passage states, 'Airplanes can fly in this layer, and it is very high up,' referring to the stratosphere.

正解! おしい! 正解: In the stratosphere

The passage states, 'Airplanes can fly in this layer, and it is very high up,' referring to the stratosphere.

reading A2

What does it mean if a price is in the 'stratosphere'?

Read this passage:

Some people say prices are in the 'stratosphere' when they are very, very high. For example, if a small candy bar costs a lot of money, you might say its price is in the stratosphere. This means it's much higher than usual.

What does it mean if a price is in the 'stratosphere'?

正解! おしい! 正解: The price is very high.

The passage explains that 'prices are in the 'stratosphere' when they are very, very high.'

正解! おしい! 正解: The price is very high.

The passage explains that 'prices are in the 'stratosphere' when they are very, very high.'

reading A2

Is the stratosphere a low or high place in the sky?

Read this passage:

Our planet has different layers of air. One layer is called the stratosphere. It is above the air where we breathe every day. It's a very high place in the sky.

Is the stratosphere a low or high place in the sky?

正解! おしい! 正解: It is a high place.

The passage states, 'It's a very high place in the sky.'

正解! おしい! 正解: It is a high place.

The passage states, 'It's a very high place in the sky.'

fill blank B1

The company's profits reached the ___ after the new product launch.

正解! おしい! 正解: stratosphere

In this context, 'stratosphere' is used metaphorically to indicate a very high level of profit.

fill blank B1

Her career is now in the ___, thanks to her hard work and talent.

正解! おしい! 正解: stratosphere

Here, 'stratosphere' signifies an extremely high level of success in her career.

fill blank B1

After winning the championship, the team's morale went into the ___.

正解! おしい! 正解: stratosphere

The team's morale reached an exceptionally high point, metaphorically in the 'stratosphere'.

fill blank B1

The cost of living in that city has soared into the ___.

正解! おしい! 正解: stratosphere

This sentence uses 'stratosphere' to describe an extremely high increase in the cost of living.

fill blank B1

With the new technology, the company expects its stock prices to reach the ___.

正解! おしい! 正解: stratosphere

The expectation is for stock prices to reach an extremely high level, hence 'stratosphere'.

fill blank B1

The singer's popularity has gone into the ___ since her latest album.

正解! おしい! 正解: stratosphere

Her popularity has reached an extremely high and widespread level, similar to the 'stratosphere'.

multiple choice B1

Which of these best describes something reaching the 'stratosphere' in a metaphorical sense?

正解! おしい! 正解: A company's profits suddenly increasing to a very high level.

Metaphorically, 'stratosphere' refers to an extremely high level or state, like a sudden and significant increase in profits.

multiple choice B1

If someone says their 'mood was in the stratosphere' after hearing good news, what do they mean?

正解! おしい! 正解: They felt extremely happy and excited.

To be 'in the stratosphere' metaphorically means to be at an extremely high level, so a mood in the stratosphere indicates extreme happiness.

multiple choice B1

Which situation correctly uses 'stratosphere' metaphorically?

正解! おしい! 正解: His new book's popularity went into the stratosphere, selling millions of copies.

In this context, 'popularity went into the stratosphere' means it reached an extremely high level, which is a correct metaphorical use.

true false B1

If a rocket is launched and enters the stratosphere, it means it is still within Earth's atmosphere.

正解! おしい! 正解: 正しい

The stratosphere is the second major layer of Earth's atmosphere, so if a rocket enters it, it is still within the atmosphere.

true false B1

When someone says 'prices are in the stratosphere,' they mean prices are very low.

正解! おしい! 正解: 間違い

Metaphorically, 'stratosphere' refers to an extremely high level, so 'prices are in the stratosphere' means prices are very high, not low.

true false B1

The stratosphere is located below the troposphere.

正解! おしい! 正解: 間違い

The stratosphere is located above the troposphere.

listening B1

Listen for how 'stratosphere' is used to describe a rapid increase.

正解! おしい! 正解: The company's profits soared into the stratosphere after the successful product launch.
正解! おしい! 正解:
listening B1

Pay attention to what kind of aspiration 'stratosphere' represents here.

正解! おしい! 正解: Many dream of reaching the stratosphere of their chosen profession.
正解! おしい! 正解:
listening B1

Consider the meaning of 'stratosphere' when talking about expenses.

正解! おしい! 正解: The cost of living in that city has entered the stratosphere.
正解! おしい! 正解:
speaking B1

Read this aloud:

Can you imagine what it's like to reach the stratosphere of success?

Focus: stra-to-sphere

正解! おしい! 正解:
speaking B1

Read this aloud:

How do you think people feel when their achievements put them in the stratosphere?

Focus: achieve-ments, stratosphere

正解! おしい! 正解:
speaking B1

Read this aloud:

What steps can someone take to elevate their career to the stratosphere?

Focus: elevate, career, stratosphere

正解! おしい! 正解:
writing B1

Imagine someone achieving a very high level of success in their career. Describe what that might look and feel like, using the word 'stratosphere' metaphorically to describe their success.

Well written! Good try! Check the sample answer below.

Sample answer

After years of hard work, Sarah finally reached the stratosphere of her acting career. She was starring in major films, winning awards, and everyone knew her name. It felt amazing to be at such a high level, almost like she was floating above everyone else.

正解! おしい! 正解:
writing B1

Write a short paragraph about something that is currently experiencing a very high or extreme level, using 'stratosphere' to describe it. This could be prices, temperatures, or even emotions.

Well written! Good try! Check the sample answer below.

Sample answer

The prices for houses in the city have reached the stratosphere. It's almost impossible for young families to afford a home now. This extreme rise in cost is making many people feel very stressed and worried about their future.

正解! おしい! 正解:
writing B1

Think about a time you or someone you know felt extremely happy or excited. Describe that feeling, using the word 'stratosphere' to convey the intensity of the emotion.

Well written! Good try! Check the sample answer below.

Sample answer

When I found out I got the scholarship, my happiness went into the stratosphere. I felt like I could fly, and I was so excited for my future. It was an incredibly high and joyful feeling, unlike anything I had felt before.

正解! おしい! 正解:
reading B1

What does 'stratosphere' refer to in this passage?

Read this passage:

The band's new album quickly rose to the stratosphere of the music charts, selling millions of copies in its first week. This unexpected success made them international superstars almost overnight. Fans loved their unique sound and catchy lyrics, pushing them to an incredibly high level of fame.

What does 'stratosphere' refer to in this passage?

正解! おしい! 正解: A very high level of success and fame

In this context, 'stratosphere' is used metaphorically to describe the band's rapid rise to extreme success and fame in the music industry.

正解! おしい! 正解: A very high level of success and fame

In this context, 'stratosphere' is used metaphorically to describe the band's rapid rise to extreme success and fame in the music industry.

reading B1

What is the meaning of 'stratosphere' in this sentence?

Read this passage:

During the heatwave, temperatures soared into the stratosphere, making it difficult to go outside. People were advised to stay indoors and drink plenty of water to avoid the extreme heat. This unusually high temperature made daily life challenging.

What is the meaning of 'stratosphere' in this sentence?

正解! おしい! 正解: An extremely high temperature

Here, 'stratosphere' is used metaphorically to emphasize the extremely high and uncomfortable level the temperatures reached during the heatwave.

正解! おしい! 正解: An extremely high temperature

Here, 'stratosphere' is used metaphorically to emphasize the extremely high and uncomfortable level the temperatures reached during the heatwave.

reading B1

What does the phrase 'reached the stratosphere' imply about the cost of living?

Read this passage:

The cost of living in the city has reached the stratosphere, making it almost impossible for new graduates to afford rent. Everything from groceries to public transportation seems to be at an incredibly high price. This situation is causing many people to consider moving to smaller towns.

What does the phrase 'reached the stratosphere' imply about the cost of living?

正解! おしい! 正解: It has become extremely high.

The phrase 'reached the stratosphere' is used metaphorically to indicate that the cost of living has become excessively or extremely high.

正解! おしい! 正解: It has become extremely high.

The phrase 'reached the stratosphere' is used metaphorically to indicate that the cost of living has become excessively or extremely high.

fill blank B2

After years of hard work, her career reached the ______, making her a leader in her field.

正解! おしい! 正解: stratosphere

The word 'stratosphere' is used metaphorically here to describe an extremely high level or state of success in a career.

fill blank B2

The company's stock prices soared into the ______ after the announcement of their groundbreaking new product.

正解! おしい! 正解: stratosphere

In this context, 'stratosphere' refers to an extremely high level, indicating a significant increase in stock prices.

fill blank B2

His performance at the international competition was so outstanding that it propelled him into the ______ of the tennis world.

正解! おしい! 正解: stratosphere

Here, 'stratosphere' signifies an extremely high level of achievement and recognition in a particular field.

fill blank B2

The cost of living in the city has risen into the ______, making it difficult for many residents to afford housing.

正解! おしい! 正解: stratosphere

Using 'stratosphere' here emphasizes an extremely high level, referring to the significantly increased cost of living.

fill blank B2

Her new book's success launched her into the literary ______, gaining her widespread critical acclaim.

正解! おしい! 正解: stratosphere

'Stratosphere' is used metaphorically to describe an extremely high level of success and recognition in the literary world.

fill blank B2

With its innovative design and advanced technology, the new smartphone is set to take the market into the ______.

正解! おしい! 正解: stratosphere

The term 'stratosphere' in this sentence implies reaching an extremely high level of market success or dominance.

multiple choice B2

Which of the following best describes the metaphorical meaning of "stratosphere"?

正解! おしい! 正解: An extremely high or elevated level

The metaphorical use of 'stratosphere' refers to something being at a very high or elevated level, similar to the atmospheric layer.

multiple choice B2

In which of these contexts would you most likely hear 'stratosphere' used metaphorically?

正解! おしい! 正解: Referring to exceptionally high market prices

The metaphorical meaning of 'stratosphere' is used for extremely high levels, such as soaring prices.

multiple choice B2

If a company's success is described as being in the 'stratosphere,' what does that imply?

正解! おしい! 正解: The company has achieved an exceptionally high level of success.

To say something is in the 'stratosphere' metaphorically means it has reached an exceptionally high level, in this case, success.

true false B2

The literal meaning of 'stratosphere' refers to the lowest layer of Earth's atmosphere.

正解! おしい! 正解: 間違い

The stratosphere is the second major layer, located above the troposphere, which is the lowest layer.

true false B2

If someone's social status is described as being in the 'stratosphere,' it means they have very low social standing.

正解! おしい! 正解: 間違い

Metaphorically, 'stratosphere' implies an extremely high level, so high social status, not low.

true false B2

The word 'stratosphere' can be used metaphorically to describe a situation of extreme difficulty.

正解! おしい! 正解: 間違い

While 'stratosphere' refers to an extreme level, it's typically used for positive extremes like success or high prices, not necessarily difficulty.

listening B2

Listen for how 'stratosphere' is used to describe a rapid increase.

正解! おしい! 正解: The company's profits soared into the stratosphere after the successful product launch.
正解! おしい! 正解:
listening B2

Notice how 'stratosphere' signifies reaching the highest level in a field.

正解! おしい! 正解: Her talent elevated her to the stratosphere of the music industry.
正解! おしい! 正解:
listening B2

Consider the meaning of 'stratosphere' in the context of social standing.

正解! おしい! 正解: After years of hard work, his social status reached the stratosphere.
正解! おしい! 正解:
speaking B2

Read this aloud:

Can you imagine reaching the stratosphere of success in your chosen career?

Focus: stra-to-sphere

正解! おしい! 正解:
speaking B2

Read this aloud:

The cost of housing in that city has entered the stratosphere.

Focus: stra-to-sphere

正解! おしい! 正解:
speaking B2

Read this aloud:

Many athletes dream of elevating their performance to the stratosphere.

Focus: stra-to-sphere

正解! おしい! 正解:
writing B2

Imagine a company whose success has reached the 'stratosphere'. Describe the challenges and benefits of operating at such a high level, focusing on their growth and public perception.

Well written! Good try! Check the sample answer below.

Sample answer

Reaching the 'stratosphere' of success, a company faces immense challenges alongside its benefits. On the one hand, sustained growth can lead to increased market share, innovative product development, and a strong brand reputation. However, operating at such a high level also brings scrutiny. Maintaining public perception becomes critical as every decision is magnified. Competition intensifies, and there's constant pressure to innovate and exceed expectations to avoid a fall from grace. Managing rapid expansion while preserving company culture and employee morale can also be a significant hurdle.

正解! おしい! 正解:
writing B2

Write a short paragraph about how a person's social status can metaphorically reach the 'stratosphere', and what impact this might have on their personal life.

Well written! Good try! Check the sample answer below.

Sample answer

When a person's social status reaches the 'stratosphere', their personal life can undergo dramatic changes. They might experience an unprecedented level of recognition and influence, opening doors to new opportunities and connections. However, this elevated position often comes with a loss of privacy and increased public expectation. Friendships might be tested, and the individual could feel isolated or pressured to maintain a certain image. Balancing the demands of a high-profile life with personal well-being can become a significant challenge, potentially leading to stress or alienation.

正解! おしい! 正解:
writing B2

Explain, in a few sentences, how the price of a certain commodity could 'stratosphere' due to market conditions, and what consequences this might have for consumers.

Well written! Good try! Check the sample answer below.

Sample answer

The price of a commodity can 'stratosphere' when market conditions, such as sudden scarcity or extremely high demand, create a perfect storm. For example, a global shortage of a vital resource combined with a surge in consumption could drive its price to astronomical levels. For consumers, the consequences can be severe. Essential goods become unaffordable, leading to financial hardship and a reduced quality of life. Businesses reliant on the commodity face increased operational costs, which they may pass on to consumers, further exacerbating the economic strain.

正解! おしい! 正解:
reading B2

According to the passage, what is a potential negative consequence for athletes who reach 'stratosphere' levels of success?

Read this passage:

In the world of professional sports, achieving 'stratosphere' levels of success often means breaking numerous records and becoming a household name. While the financial rewards can be immense, the pressure to consistently perform at an elite level can take a significant toll. Athletes at this pinnacle often face intense media scrutiny and immense public expectations.

According to the passage, what is a potential negative consequence for athletes who reach 'stratosphere' levels of success?

正解! おしい! 正解: They may struggle with increased media scrutiny.

The passage explicitly states that 'Athletes at this pinnacle often face intense media scrutiny and immense public expectations,' indicating that media scrutiny is a negative consequence.

正解! おしい! 正解: They may struggle with increased media scrutiny.

The passage explicitly states that 'Athletes at this pinnacle often face intense media scrutiny and immense public expectations,' indicating that media scrutiny is a negative consequence.

reading B2

What is a major environmental concern related to pollutants reaching the 'stratosphere'?

Read this passage:

Environmental scientists are concerned about the impact of certain pollutants that can reach the 'stratosphere'. These substances, once there, can contribute to phenomena like ozone depletion, which has far-reaching effects on the Earth's climate and living organisms. Understanding their journey to this atmospheric layer is crucial for mitigation strategies.

What is a major environmental concern related to pollutants reaching the 'stratosphere'?

正解! おしい! 正解: They can lead to ozone depletion.

The passage states that 'These substances, once there, can contribute to phenomena like ozone depletion,' making this the correct answer.

正解! おしい! 正解: They can lead to ozone depletion.

The passage states that 'These substances, once there, can contribute to phenomena like ozone depletion,' making this the correct answer.

reading B2

What is mentioned as a potential challenge for tech companies that 'stratosphere' in value?

Read this passage:

The tech industry has seen some companies 'stratosphere' in value over a very short period, driven by innovative products and rapid market adoption. This rapid ascent can attract significant investment and talent, but it also creates challenges in terms of managing hyper-growth and maintaining a competitive edge in a constantly evolving landscape.

What is mentioned as a potential challenge for tech companies that 'stratosphere' in value?

正解! おしい! 正解: Managing hyper-growth.

The passage states that 'This rapid ascent... creates challenges in terms of managing hyper-growth,' directly answering the question.

正解! おしい! 正解: Managing hyper-growth.

The passage states that 'This rapid ascent... creates challenges in terms of managing hyper-growth,' directly answering the question.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The housing prices reached the stratosphere.

This sentence correctly orders the words to form a coherent statement about housing prices reaching an extremely high level.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: Her meteoric success launched her into the stratosphere.

This arrangement correctly expresses how her rapid success propelled her to an extremely high level.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: He climbed to a stratosphere of social status.

This sentence structure correctly conveys the idea of someone achieving an extremely high social standing.

fill blank C1

After years of meticulous research, her groundbreaking theory propelled her into the ___ of scientific renown.

正解! おしい! 正解: stratosphere

The word 'stratosphere' is used metaphorically here to describe an extremely high level of scientific renown, fitting the context of a groundbreaking theory. The other options do not convey this meaning.

fill blank C1

The company's stock prices soared into the ___, exceeding all market expectations.

正解! おしい! 正解: stratosphere

In this context, 'stratosphere' metaphorically represents an extremely high level, indicating that the stock prices rose dramatically, beyond typical expectations. The other options describe lower levels or a foundation.

fill blank C1

Despite a humble beginning, her talent and dedication launched her career into the ___, making her a global sensation.

正解! おしい! 正解: stratosphere

Here, 'stratosphere' is used to signify an extremely high level of success and global recognition, contrasting with a humble beginning. The other options imply a lower or less prominent status.

fill blank C1

The cost of living in the city has reached the ___, making it challenging for average earners to afford housing.

正解! おしい! 正解: stratosphere

'Stratosphere' is used metaphorically to convey an extremely high level, in this case, of the cost of living. The other words do not fit the context of high cost.

fill blank C1

His innovative business model catapulted his startup into the ___, attracting unprecedented investment.

正解! おしい! 正解: stratosphere

The term 'stratosphere' is employed metaphorically to describe an extremely high level of success and growth for the startup. The other options suggest less favorable or less central positions.

fill blank C1

With her latest album, the pop star's popularity ascended into the ___, solidifying her status as a global icon.

正解! おしい! 正解: stratosphere

'Stratosphere' is used here to describe an extremely high level of popularity and iconic status, fitting the context of a successful pop star. The other options do not convey this meaning.

multiple choice C1

Which of the following best describes a metaphorical use of 'stratosphere'?

正解! おしい! 正解: His career success propelled him into the stratosphere of the business world.

The correct option uses 'stratosphere' to describe an extremely high level of success, which is a metaphorical application of the word.

multiple choice C1

In which sentence is 'stratosphere' used to indicate an exceptionally high degree or level?

正解! おしい! 正解: The company's profits soared into the stratosphere after the new product launch.

This sentence uses 'stratosphere' metaphorically to describe an exceptionally high level of profits, rather than its literal atmospheric meaning.

multiple choice C1

If someone's social status is said to be in the 'stratosphere', what does that imply?

正解! おしい! 正解: They possess an extremely high and influential social position.

The metaphorical use of 'stratosphere' implies an extremely high level, in this case, of social status, indicating a prominent and influential position.

true false C1

The literal definition of 'stratosphere' refers to a very high level of achievement.

正解! おしい! 正解: 間違い

The literal definition of 'stratosphere' refers to a layer of Earth's atmosphere. The metaphorical meaning refers to a very high level of achievement.

true false C1

When prices are described as being in the 'stratosphere', it means they are exceptionally low.

正解! おしい! 正解: 間違い

When prices are described as being in the 'stratosphere', it means they are exceptionally high, not low.

true false C1

A person achieving 'stratosphere' success has reached an extremely high level of accomplishment.

正解! おしい! 正解: 正しい

Achieving 'stratosphere' success metaphorically means reaching an extremely high level of accomplishment.

listening C1

Listen for where the stock prices went.

正解! おしい! 正解: The company's stock prices soared into the stratosphere after the announcement of the new product.
正解! おしい! 正解:
listening C1

Listen for what her talent helped her achieve.

正解! おしい! 正解: Her artistic talent elevated her to the stratosphere of the fashion world.
正解! おしい! 正解:
listening C1

Listen for the level of political power he achieved.

正解! おしい! 正解: Despite humble beginnings, he managed to reach the stratosphere of political power.
正解! おしい! 正解:
speaking C1

Read this aloud:

The innovative startup launched its new technology, sending its valuation into the stratosphere.

Focus: valuation, stratosphere

正解! おしい! 正解:
speaking C1

Read this aloud:

To truly understand the impact, one must consider how the decision propelled them into the stratosphere of their industry.

Focus: propelled, industry

正解! おしい! 正解:
speaking C1

Read this aloud:

Her dedication and relentless effort ultimately lifted her achievements to the stratosphere of academic excellence.

Focus: dedication, excellence

正解! おしい! 正解:
writing C1

Imagine a company that achieved unparalleled success, reaching the 'stratosphere' of its industry. Describe how they got there, focusing on the key decisions, innovations, and challenges they overcame.

Well written! Good try! Check the sample answer below.

Sample answer

GlobalTech Inc. reached the stratosphere of the tech industry through a relentless focus on innovation and a bold market entry strategy. Their leadership's decision to invest heavily in AI research, even when it seemed speculative, proved to be a pivotal moment. They overcame significant challenges, including stiff competition and rapid technological shifts, by fostering a culture of adaptability and continuous improvement. Their groundbreaking product, 'AetherOS', revolutionized data processing, securing their unprecedented market dominance and elevating them to an almost mythical status among their peers.

正解! おしい! 正解:
writing C1

The term 'stratosphere' can be used metaphorically to describe an extremely high level or state. Write a short essay discussing how an individual might achieve such a level in their personal or professional life, considering the sacrifices and dedication required.

Well written! Good try! Check the sample answer below.

Sample answer

Reaching the 'stratosphere' in one's personal or professional life is rarely a matter of luck; it typically demands an extraordinary level of dedication and sacrifice. Whether in sports, arts, or business, individuals who ascend to such lofty heights often forgo immediate gratification for long-term mastery. This journey is characterized by relentless perseverance through setbacks, an unwavering commitment to excellence, and an ambition that transcends conventional boundaries. Such an ascent necessitates continuous learning, adaptation, and an almost obsessive pursuit of one's craft, often at the expense of personal leisure or social engagements.

正解! おしい! 正解:
writing C1

In the context of the global economy, some stock prices or commodity values seem to enter the 'stratosphere.' Discuss the potential causes and consequences of such rapid and extreme price increases.

Well written! Good try! Check the sample answer below.

Sample answer

When stock prices or commodity values enter the 'stratosphere,' it often signals a complex interplay of factors. Rapid price increases can stem from heightened market speculation, where investors drive up prices based on anticipated future gains rather than underlying value. Strong demand coupled with limited supply, global economic shifts, or even geopolitical events can also propel values upwards. However, such meteoric rises carry significant risks, potentially leading to asset bubbles that, when burst, can trigger severe economic downturns, impacting investors and the broader economy alike.

正解! おしい! 正解:
reading C1

What does the phrase 'financial stratosphere' imply about the startup's valuation?

Read this passage:

After years of relentless effort and innovative breakthroughs, the small startup’s valuation finally broke through into the financial stratosphere. Industry analysts, once skeptical, were now scrambling to understand how this relatively unknown entity managed to achieve such an astronomical market capitalization. This unprecedented rise underscored a shift in consumer preferences and a successful navigation of a highly competitive landscape.

What does the phrase 'financial stratosphere' imply about the startup's valuation?

正解! おしい! 正解: It was surprisingly high.

The passage states that the valuation 'broke through into the financial stratosphere' and was 'astronomical,' implying an extremely high and noteworthy level.

正解! おしい! 正解: It was surprisingly high.

The passage states that the valuation 'broke through into the financial stratosphere' and was 'astronomical,' implying an extremely high and noteworthy level.

reading C1

What was the primary reason for the band's album reaching the 'musical stratosphere'?

Read this passage:

The band’s latest album soared into the musical stratosphere, topping charts worldwide and earning critical acclaim for its experimental sound. This success, however, wasn't accidental; it was the culmination of a decade of touring, meticulous songwriting, and an unwavering commitment to their artistic vision, even when faced with industry pressure to conform.

What was the primary reason for the band's album reaching the 'musical stratosphere'?

正解! おしい! 正解: Years of hard work and artistic integrity.

The passage explicitly states the success was the 'culmination of a decade of touring, meticulous songwriting, and an unwavering commitment to their artistic vision.'

正解! おしい! 正解: Years of hard work and artistic integrity.

The passage explicitly states the success was the 'culmination of a decade of touring, meticulous songwriting, and an unwavering commitment to their artistic vision.'

reading C1

Besides physical ability, what else contributed to the athlete reaching the 'stratosphere' of his sport?

Read this passage:

The athlete's performance in the recent Olympic Games elevated him to the stratosphere of his sport. His record-breaking achievements were not merely a display of physical prowess, but also a testament to years of disciplined training, mental fortitude, and an innovative approach to conditioning that pushed the boundaries of conventional methods.

Besides physical ability, what else contributed to the athlete reaching the 'stratosphere' of his sport?

正解! おしい! 正解: Disciplined training and mental strength.

The passage mentions his achievements were 'a testament to years of disciplined training, mental fortitude, and an innovative approach to conditioning.'

正解! おしい! 正解: Disciplined training and mental strength.

The passage mentions his achievements were 'a testament to years of disciplined training, mental fortitude, and an innovative approach to conditioning.'

sentence order C1

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The stock prices reached the stratosphere after positive news.

This sentence uses 'stratosphere' metaphorically to describe a very high level that stock prices attained.

sentence order C1

下の単語をタップして文を組み立てよう
正解! おしい! 正解: Her career skyrocketed into the stratosphere after her breakthrough performance.

This sentence metaphorically describes a rapid ascent to a very high level of success.

sentence order C1

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The balloon ascended through the troposphere and into the stratosphere.

This sentence uses 'stratosphere' in its literal scientific context as a layer of the atmosphere.

fill blank C2

The company's stock prices soared into the ___ after the groundbreaking announcement, delighting investors.

正解! おしい! 正解: stratosphere

In this context, 'stratosphere' is used metaphorically to indicate an extremely high and successful level, specifically for stock prices.

fill blank C2

Her career trajectory launched into the ___ following the critical acclaim of her debut novel, earning her international recognition.

正解! おしい! 正解: stratosphere

Here, 'stratosphere' signifies an exceptionally high level of success and recognition in a career.

fill blank C2

Despite the initial challenges, the startup's valuation quickly ascended to the ___, attracting significant venture capital.

正解! おしい! 正解: stratosphere

The word 'stratosphere' is used metaphorically to describe an exceptionally high level of valuation for a startup.

fill blank C2

The athlete's performance in the championship pushed him into the ___ of his sport, solidifying his legendary status.

正解! おしい! 正解: stratosphere

'Stratosphere' is employed to denote an exceptionally high and dominant position within a competitive sport.

fill blank C2

The demand for the newly released luxury cars went through the ___, leading to long waiting lists and inflated prices.

正解! おしい! 正解: stratosphere

In this sentence, 'stratosphere' metaphorically indicates an extremely high level of demand.

fill blank C2

After years of meticulous research, the scientist's breakthrough discovery propelled her into the ___ of her field, earning her a Nobel Prize.

正解! おしい! 正解: stratosphere

'Stratosphere' is used here to describe an exceptionally high level of recognition and achievement within a scientific field.

listening C2

The sentence describes a rapid and significant rise in someone's career.

正解! おしい! 正解: Her career trajectory launched into the stratosphere after her groundbreaking discovery.
正解! おしい! 正解:
listening C2

Think about what 'soared into the stratosphere' implies for stock prices.

正解! おしい! 正解: The company's stock prices soared into the stratosphere following the announcement of their innovative product.
正解! おしい! 正解:
listening C2

Consider the meaning of 'reached the stratosphere' in the context of reputation.

正解! おしい! 正解: Despite initial setbacks, his reputation in the scientific community has since reached the stratosphere.
正解! おしい! 正解:
speaking C2

Read this aloud:

Describe a situation where a person's success could be said to have reached the stratosphere.

Focus: stratosphere, success, reached

正解! おしい! 正解:
speaking C2

Read this aloud:

Discuss the implications of a sudden increase in prices or popularity to the stratosphere for a business.

Focus: implications, sudden, popularity

正解! おしい! 正解:
speaking C2

Read this aloud:

Explain how an individual might maintain their position once they have ascended into the stratosphere of their field.

Focus: ascended, maintain, position

正解! おしい! 正解:
writing C2

Using the metaphorical meaning of 'stratosphere,' describe a company's recent financial performance that has reached unprecedented heights. Focus on the impact of this success and the challenges of sustaining such a position.

Well written! Good try! Check the sample answer below.

Sample answer

Global Tech Innovations has truly entered the stratosphere with its latest quarterly earnings report, showcasing unprecedented growth that has astounded market analysts. Revenue figures have soared to historic highs, driven by groundbreaking advancements in AI and a highly successful product launch. This meteoric rise has significantly boosted investor confidence, yet the executive team now faces the formidable challenge of sustaining this peak performance amidst increasing competition and evolving market demands. Maintaining innovation and preventing complacency will be crucial to their continued presence in this elevated financial realm.

正解! おしい! 正解:
writing C2

Imagine a young artist whose work has suddenly propelled them into the 'stratosphere' of the art world. Write a short narrative detailing their initial reactions, the changes in their life, and the new pressures they face.

Well written! Good try! Check the sample answer below.

Sample answer

Elara’s abstract sculptures, once confined to obscure galleries, had suddenly launched her into the stratosphere of the international art scene. The phone calls from prestigious museums and auction houses were ceaseless, and her name was whispered with reverence in the highest echelons. Initially, she felt a heady mix of disbelief and exhilarating joy, overwhelmed by the sudden acclaim. However, the newfound fame brought intense scrutiny; every brushstroke was dissected, every interview a tightrope walk. The pressure to constantly innovate and exceed towering expectations weighed heavily, threatening to eclipse the authentic joy she once found in creation. She yearned for the quiet solitude of her studio, yet the dazzling heights of her new reality were undeniable.

正解! おしい! 正解:
writing C2

Discuss the societal implications of a widening gap between those in the economic 'stratosphere' and the rest of the population. What are the potential benefits and drawbacks of such a disparity?

Well written! Good try! Check the sample answer below.

Sample answer

The increasing chasm separating those in the economic stratosphere from the general populace presents a complex societal dilemma. On one hand, the existence of an ultra-wealthy class might, arguably, fuel innovation and philanthropic endeavors, as immense resources can be directed towards groundbreaking research or large-scale charitable initiatives. However, the drawbacks are considerably more salient. Such extreme disparity can lead to profound social inequality, hindering upward mobility for the majority and fostering deep resentment. This economic stratification can erode social cohesion, exacerbate political polarization, and ultimately threaten the stability of democratic institutions. Bridging this gap is not merely an ethical imperative but a pragmatic necessity for long-term societal well-being.

正解! おしい! 正解:
reading C2

According to the passage, what is a key factor in companies maintaining their 'stratospheric' valuation?

Read this passage:

In an increasingly competitive global market, certain technology companies have managed to ascend to the stratosphere of valuation, far outpacing their rivals. This remarkable trajectory is often attributed to disruptive innovation, aggressive market penetration strategies, and a unique ability to anticipate future consumer needs. However, maintaining this elevated position requires constant vigilance, as even a momentary lapse in foresight can lead to a swift descent from the apex of industry dominance.

According to the passage, what is a key factor in companies maintaining their 'stratospheric' valuation?

正解! おしい! 正解: Continuous foresight and vigilance.

The passage explicitly states, 'maintaining this elevated position requires constant vigilance, as even a momentary lapse in foresight can lead to a swift descent.'

正解! おしい! 正解: Continuous foresight and vigilance.

The passage explicitly states, 'maintaining this elevated position requires constant vigilance, as even a momentary lapse in foresight can lead to a swift descent.'

reading C2

What does the phrase 'stratospheric heights' imply about the soprano's voice?

Read this passage:

The acclaimed soprano's voice reached stratospheric heights, effortlessly hitting notes that few others could even attempt. Her performance captivated the audience, who were left spellbound by the sheer power and purity of her vocal range. Critics lauded her as a generational talent, predicting a career that would redefine operatic excellence for decades to come. This triumph marked her definitive entry into the vocal elite.

What does the phrase 'stratospheric heights' imply about the soprano's voice?

正解! おしい! 正解: It was exceptionally high in pitch and skillful.

The context of 'effortlessly hitting notes that few others could even attempt' and being 'captivated by the sheer power and purity of her vocal range' indicates that 'stratospheric heights' refers to her exceptionally high and masterful vocal abilities.

正解! おしい! 正解: It was exceptionally high in pitch and skillful.

The context of 'effortlessly hitting notes that few others could even attempt' and being 'captivated by the sheer power and purity of her vocal range' indicates that 'stratospheric heights' refers to her exceptionally high and masterful vocal abilities.

reading C2

What was the immediate consequence of Dr. Sharma's paper being published?

Read this passage:

After years of meticulous research and groundbreaking experiments, Dr. Anya Sharma's theory on quantum entanglement was finally published. The paper immediately propelled her into the scientific stratosphere, earning her accolades from peers worldwide and fundamentally shifting paradigms in theoretical physics. This elevation, however, brought intense pressure to deliver further revolutionary insights, a burden she felt keenly.

What was the immediate consequence of Dr. Sharma's paper being published?

正解! おしい! 正解: It elevated her status significantly within the scientific community.

The passage states that the paper 'immediately propelled her into the scientific stratosphere, earning her accolades from peers worldwide,' clearly indicating a significant elevation in her status.

正解! おしい! 正解: It elevated her status significantly within the scientific community.

The passage states that the paper 'immediately propelled her into the scientific stratosphere, earning her accolades from peers worldwide,' clearly indicating a significant elevation in her status.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The prices escalated into the stratosphere, an unforeseen economic crisis.

This sentence structure correctly conveys that prices rose to an extremely high level, leading to an economic crisis.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The project's innovative success propelled its creators into the stratosphere of their industry.

This arrangement logically places the project's success as the cause for the creators reaching the highest level in their industry.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The artist managed to keep her reputation in the stratosphere of the elite art world.

This order correctly shows that the artist maintained her high standing within the exclusive art community.

/ 156 correct

Perfect score!

関連コンテンツ

この単語を他の言語で

Environmentの関連語

renewable

B2

A renewable refers to a source of energy that is naturally replenished on a human timescale, such as sunlight, wind, or rain. In modern contexts, it is most commonly used in the plural form, 'renewables,' to describe the industry or the technologies used to generate clean power.

bonfire

B2

お祭りやイベントなどで屋外に焚かれる大きな火のこと。キャンプファイヤーよりも大規模なものが多い。

obvalive

C1

地質学的な意味でも比喩的な意味でも、突然の崩壊や壊滅的な下降運動への傾向。

climate

B2

Climate refers to the long-term patterns of weather conditions, such as temperature and rainfall, in a particular region over many years. It can also describe the prevailing mood, conditions, or social atmosphere of a specific time or place.

ozone

B2

Ozone is a colorless gas found in the upper atmosphere that protects the Earth from harmful ultraviolet radiation. It is also produced at ground level as a pollutant when sunlight reacts with industrial emissions.

environmental

A2

自然環境やその保護に関することを表す形容詞。

pollution

B2

Pollution refers to the introduction of harmful materials into the environment, which can damage the air, water, and land. It is a major global issue that results from human activities like industrial processes, transportation, and waste disposal.

deforestation

B2

Deforestation is the permanent removal or clearing of forests and trees on a large scale, typically to repurpose the land for agriculture, grazing, or urban development. This process results in significant environmental damage, including the loss of biodiversity and the disruption of the water cycle.

recycling

B2

Recycling is the process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products. It is a fundamental practice in environmental conservation aimed at reducing waste and the consumption of raw materials.

fertilizer

B2

A chemical or natural substance added to soil or land to increase its fertility and provide essential nutrients for plant growth. It is primarily used in gardening and agriculture to help crops develop faster and produce higher yields.

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