A1 noun #16 よく出る 3分で読める

gravity

Gravity is the invisible force that pulls everything down toward the Earth.

Explanation at your level:

Gravity is the force that pulls things down. When you drop a ball, it hits the floor because of gravity. It keeps us on the ground. Without gravity, we would float away!

Gravity is a natural force that pulls objects toward the Earth. It is why things fall when you let them go. You can jump up, but gravity always pulls you back down to the ground. It is very important for life on our planet.

Gravity is the force that attracts objects toward each other. On Earth, gravity is what gives objects weight and keeps them from floating into space. You might hear people say 'the gravity of the situation' to mean that a problem is very serious. It is an essential concept in science and daily life.

In scientific terms, gravity is the force of attraction between two masses. It governs the movement of planets and keeps our atmosphere in place. Beyond science, the word is used to describe the weight or seriousness of an event. Understanding gravity helps us explain why the world works the way it does, from tides to orbits.

Gravity is a fundamental interaction that dictates the structure of the universe. While we typically associate it with the Earth's pull, it is a universal constant acting between all matter. Figuratively, 'gravity' denotes the profound significance or solemnity of a circumstance. Mastering this word allows you to discuss both physical phenomena and abstract concepts with precision and academic depth.

Derived from the Latin 'gravitas,' the term gravity encompasses both the physical laws of Newtonian and Einsteinian physics and the metaphorical weight of human experience. In literature, it may refer to the solemnity of a character's demeanor. In physics, it represents the curvature of spacetime. To use 'gravity' at a C2 level is to understand its dual nature: as a measurable force and as a descriptor of existential importance. It is a word that bridges the gap between the empirical and the philosophical.

30秒でわかる単語

  • Gravity is the force that pulls objects toward each other.
  • It keeps us on Earth and objects on the ground.
  • Figuratively, it means the seriousness of a situation.
  • It is an uncountable noun and should not be pluralized.

Have you ever wondered why you don't just float off into the sky when you jump? That is all thanks to gravity! It is the invisible, super-important force that acts like a constant hug from the Earth, pulling everything toward its center.

In the world of science, gravity is one of the four fundamental forces of nature. It is not just about keeping us grounded; it is the reason the moon orbits the Earth and why the Earth orbits the sun. Without this powerful pull, our solar system would be a chaotic mess of floating rocks and gas.

Think of it as the 'glue' of the universe. Even though you cannot see it, you feel its effects every single second of your life. Whether you are dropping a ball or just standing still, gravity is working hard to keep everything in its proper place.

The word gravity has a very serious past! It comes from the Latin word gravitas, which literally means 'weight' or 'heaviness.' In ancient times, it was also used to describe someone who had a serious or dignified personality—someone with a lot of 'weight' to their character.

Over time, the word evolved through Old French as gravité before landing in English. By the 16th and 17th centuries, scientists started using it to describe the physical force that makes objects fall. A fun fact is that before Isaac Newton formulated the law of universal gravitation, people didn't really understand that the same force making an apple fall from a tree was the same force keeping the moon in the sky!

It is fascinating how a word that once described a person's serious mood became the scientific term for the most important force in our universe. It shows how language grows alongside our understanding of the world.

Even though it is a scientific term, gravity appears in several cool expressions. First, 'the gravity of the situation' means how serious or important a problem is. For example: 'He did not realize the gravity of the situation until he saw the look on his boss's face.'

Next, to 'defy gravity' means to do something that seems impossible, like a gymnast performing a high jump. 'Center of gravity' is often used metaphorically to describe what a person or organization revolves around. 'Down to earth' is a related concept, describing someone who is humble and practical, much like someone who stays grounded.

Finally, we often talk about 'gravitating toward' something, which means to be naturally attracted to it, like 'she gravitated toward the art section of the library.' It is a great way to describe your interests!

Grammatically, gravity is a non-count noun. This means you do not add an 's' to make it plural. You use it with 'the' when referring to the specific force of the Earth, or without an article when speaking generally.

For pronunciation, in British English, it is /ˈɡræv.ɪ.ti/, and in American English, it is /ˈɡræv.ə.ti/. The stress is always on the first syllable: GRAV-i-ty. A common mistake is to stress the second syllable, which makes it sound awkward.

If you are looking for rhymes, think of words like cavity, depravity, or levity. Practicing the 'v' sound followed by the 'i' helps you master the rhythm of the word. Remember, it is a three-syllable word that flows quickly once you get the hang of the initial stress.

Fun Fact

It was originally used to describe a person's serious character before it was used for the physical force.

Pronunciation Guide

UK /ˈɡræv.ɪ.ti/

Short 'a' sound, clear 'i' in the middle.

US /ˈɡræv.ə.ti/

Short 'a' sound, schwa 'ə' in the middle.

Common Errors

  • Stressing the second syllable
  • Pronouncing it like 'grav-ee-tee'
  • Adding an 's' at the end

Rhymes With

cavity depravity levity suavity brevity

Difficulty Rating

読解 2/5

Easy to understand in context.

Writing 2/5

Easy to use in sentences.

Speaking 2/5

Easy to pronounce.

リスニング 2/5

Clear pronunciation.

What to Learn Next

Prerequisites

force pull earth fall

Learn Next

gravitation gravitas orbit physics

上級

general relativity spacetime gravitational waves

Grammar to Know

Uncountable Nouns

Gravity is a force.

Subject-Verb Agreement

Gravity pulls objects.

Prepositional Phrases

Subject to gravity.

Examples by Level

1

Gravity pulls things down.

Gravity (force) pulls (moves) things (objects) down (to the ground).

Simple Subject-Verb-Object.

2

The ball falls because of gravity.

The ball (toy) falls (goes down) because of (due to) gravity.

Using 'because of' for cause.

3

Gravity keeps us on Earth.

Gravity (force) keeps (holds) us (people) on Earth (the planet).

Verb 'keep' + object + preposition.

4

Jump up and gravity pulls you down.

Jump (move up) up and gravity pulls (drags) you down.

Imperative sentence structure.

5

Without gravity, we would float.

Without (lacking) gravity, we (people) would float (drift).

Conditional 'would' usage.

6

Gravity is a force.

Gravity (the force) is (exists as) a force (power).

Simple definition.

7

Drop the pen; gravity works.

Drop (let fall) the pen; gravity works (is active).

Two short clauses.

8

Gravity is everywhere.

Gravity (force) is (exists) everywhere (in all places).

Simple adjective usage.

1

Gravity makes the apple fall from the tree.

2

If you drop your phone, gravity pulls it to the floor.

3

We do not float away because of gravity.

4

Gravity is why the moon stays near the Earth.

5

The force of gravity is very strong.

6

Can you feel gravity pulling you?

7

Gravity works the same for everyone.

8

Everything on Earth is affected by gravity.

1

The gravity of the situation was clear to everyone in the room.

2

She felt a strong gravity toward the field of physics.

3

Scientists study how gravity affects the movement of planets.

4

Without gravity, our atmosphere would drift into space.

5

He tried to defy gravity by jumping off the high ledge.

6

The center of gravity is important for a gymnast's balance.

7

Gravity is a constant force in our daily lives.

8

They discussed the gravity of the new health regulations.

1

The gravity of his mistake became apparent only after the project failed.

2

Engineers must calculate the center of gravity to keep the bridge stable.

3

The planet's gravity is strong enough to hold its own moons.

4

She gravitated toward the most challenging problems in the lab.

5

The film captured the gravity of the historical events perfectly.

6

Gravity is not just a force; it is a curvature of spacetime.

7

His voice had a certain gravity that commanded our attention.

8

Gravity acts as the glue that holds galaxies together.

1

The sheer gravity of the crisis demanded an immediate response from the government.

2

His demeanor possessed a natural gravity that made people listen.

3

The theory of general relativity redefined our understanding of gravity.

4

She was drawn by a strange gravity to the place where she grew up.

5

The gravity of the accusations shocked the international community.

6

We must consider the gravitational implications of this new discovery.

7

The gravity of the performance moved the audience to tears.

8

Gravity dictates the ultimate fate of the universe.

1

The gravity of his prose reflects a deep, existential weariness.

2

The celestial mechanics are governed by the inexorable pull of gravity.

3

He spoke with a gravity that belied his young age.

4

The gravity of the situation was underscored by the somber silence in the hall.

5

She explored the gravity of the human condition in her latest novel.

6

Gravity is the silent architect of the cosmos.

7

The gravity of the moment was palpable, thick with unspoken tension.

8

His research delves into the subtle anomalies of gravitational waves.

類義語

attraction force weight seriousness heaviness

反対語

weightlessness levity

よく使う組み合わせ

law of gravity
gravitational pull
defy gravity
center of gravity
gravity of the situation
subject to gravity
gravitate toward
exert gravity
fight gravity
zero gravity

Idioms & Expressions

"the gravity of the situation"

the seriousness of an event

She realized the gravity of the situation.

neutral

"defy gravity"

to seem to ignore the laws of physics

The acrobat defied gravity.

neutral

"gravitate toward"

to be naturally attracted to someone or something

I always gravitate toward the comedy section.

neutral

"down to earth"

practical and humble

He is a very down-to-earth person.

casual

"center of gravity"

the point around which something revolves

The city is the center of gravity for the region.

neutral

"heavy with gravity"

filled with seriousness

The room was heavy with gravity.

literary

Easily Confused

gravity vs Gravitation

It sounds similar

Gravitation is the process/force; gravity is the specific force on Earth.

The law of universal gravitation.

gravity vs Levity

It rhymes

Levity means lack of seriousness, the opposite of gravity.

He treated the topic with levity.

gravity vs Weight

Related concepts

Weight is the measurement; gravity is the force.

My weight changes on the moon due to less gravity.

gravity vs Grave

Same root word

Grave is an adjective meaning very serious.

He made a grave mistake.

Sentence Patterns

B2

The gravity of [noun] is [adjective]

The gravity of the news was shocking.

B1

Subject + gravitate toward + [noun]

Students gravitate toward the library.

A2

Gravity pulls [noun] toward [noun]

Gravity pulls objects toward the center.

B2

Subject + defy gravity

The bird defied gravity.

B1

Subject + is subject to gravity

Everything is subject to gravity.

語族

Nouns

gravitation the force of attraction between masses

Verbs

gravitate to move toward something

Adjectives

gravitational relating to gravity

関連

mass the property that creates gravity

How to Use It

frequency

8/10

Formality Scale

Gravitas (most formal) Gravity (neutral) Pull (casual)

よくある間違い

gravities (plural) gravity
Gravity is an uncountable noun.
a gravity gravity
Do not use 'a' with uncountable nouns.
stressing second syllable GRAV-i-ty
The stress is on the first syllable.
using gravity for 'seriousness' in casual talk seriousness
Gravity is a bit formal for casual talk.
confusing gravity with 'gravitation' use depending on context
Gravitation is the physical process; gravity is the force itself.

Tips

💡

Memory Palace Trick

Imagine a giant scale with a heavy weight on one side; that is gravity.

💡

When Native Speakers Use It

Use it in science class or to describe a very serious problem.

🌍

Cultural Insight

It is often used in movies to describe the 'weight' of a character's choice.

💡

Grammar Shortcut

Never say 'a gravity' or 'gravities'.

💡

Say It Right

Stress the first syllable: GRAV-i-ty.

💡

Don't Make This Mistake

Don't confuse it with 'gravitation', which is more technical.

💡

Did You Know?

Gravity is what keeps the moon orbiting the Earth.

💡

Study Smart

Learn it alongside 'attraction' and 'weight'.

Memorize It

Mnemonic

GRAVity makes things go to the GRAV-el (ground).

Visual Association

An apple falling from a tree.

Word Web

Force Earth Weight Physics Serious

チャレンジ

Try to explain gravity to a friend in three sentences.

語源

Latin

Original meaning: heaviness or weight

文化的な背景

None

Commonly used in science class and in formal discussions about serious news.

Gravity (2013 film) John Mayer's song 'Gravity'

Practice in Real Life

Real-World Contexts

Science Class

  • gravitational pull
  • law of gravity
  • center of gravity

News/Politics

  • gravity of the situation
  • serious implications
  • grave matter

Space Travel

  • zero gravity
  • gravitational force
  • orbit

General Conversation

  • gravitate toward
  • down to earth
  • weight of the world

Conversation Starters

"How would life be different if there were no gravity?"

"Have you ever experienced a situation where the 'gravity' of the moment was very high?"

"Do you think humans will ever be able to control gravity?"

"Why do you think people gravitate toward certain hobbies?"

"What is the most 'down-to-earth' thing you've ever seen?"

Journal Prompts

Describe a time you felt the 'gravity' of a situation.

If you could turn off gravity for an hour, what would you do?

Write about a person you know who is very 'down to earth'.

Explain why gravity is important to a child.

よくある質問

8 問

Gravity is the force; weight is how we measure the effect of that force on an object.

Not on Earth, but in space, you can experience weightlessness.

It is a scientific law, but our understanding of how it works is described by theories like General Relativity.

It uses the metaphor of 'weight' to show how 'heavy' or important a situation is.

Yes, according to Einstein, gravity can slow down time.

No, it varies slightly depending on your location on Earth.

In physics, there isn't a simple 'anti-gravity' force that we use, but repulsion is the opposite action.

Use it when you are naturally drawn to something, like 'I gravitate toward warm weather'.

自分をテスト

fill blank A1

___ pulls everything toward the ground.

正解! おしい! 正解: Gravity

Gravity is the force that pulls things down.

multiple choice A2

Which of these is true about gravity?

正解! おしい! 正解: It pulls us down

Gravity is a force of attraction toward the center of the Earth.

true false B1

Gravity is a countable noun.

正解! おしい! 正解: 間違い

Gravity is an uncountable noun.

match pairs B1

Word

意味

All matched!

These are common idiomatic uses.

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:

Correct structure: He realized the gravity of the situation.

スコア: /5

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