폭발물
An explosive is a substance that can cause a sudden, loud, and powerful blast.
Explanation at your level:
An explosive is a dangerous thing that makes a loud sound and breaks things. It is very strong. Do not touch it. It is for experts only.
You use the word explosive to talk about things that can blow up. For example, some tools used to build roads are explosives. They are very powerful and must be kept in a safe place.
An explosive is a material that releases a lot of energy very quickly. It is often used in mining to break rocks. Because it is so powerful, only professionals are allowed to handle explosives to keep everyone safe.
The term explosive refers to substances designed to detonate. Beyond the literal meaning, we use it to describe situations that are 'explosive,' meaning they could become violent or chaotic at any moment. It is a word that requires a serious tone in almost every context.
In technical and journalistic contexts, explosive denotes materials capable of rapid combustion or detonation. It is also frequently used metaphorically to describe phenomena like 'explosive market trends' or 'explosive political discourse,' where the speed and intensity of the change are the focus of the description.
The etymological roots of explosive—from the Latin explodere—highlight the performative nature of the term, transitioning from 'hissing off stage' to the physical reality of chemical detonation. In high-level discourse, the term is used to analyze volatility, whether in chemistry, economics, or human behavior, reflecting a state of imminent, high-energy transition.
30秒でわかる単語
- It is a material that blasts.
- It is often dangerous.
- It can be used for mining.
- It describes sudden changes.
When we talk about an explosive, we are referring to something with a lot of stored energy that wants to get out all at once. Imagine a balloon filled with way too much air; when it pops, that is a tiny, harmless version of an explosion. An explosive substance is designed to do this on a much larger and more powerful scale.
You will most often hear this word in news reports, action movies, or discussions about industrial safety. It is important to remember that while the word can sound exciting in a cinematic context, in real life, it represents something extremely dangerous that requires specialized training and strict handling protocols.
The word explosive comes from the Latin word explodere, which literally means 'to drive out by clapping' or 'to hiss off the stage.' Back in the day, audiences would boo actors off the stage by clapping loudly, which is where the 'explosion' of sound came from.
As science progressed, the word evolved to describe the sudden, violent release of energy. The development of gunpowder in the Middle Ages changed how humans used force, leading to the creation of more stable and powerful chemical compounds. By the 19th century, with the invention of dynamite by Alfred Nobel, the word became a standard term in both engineering and warfare.
In English, explosive is used as both a noun and an adjective. As a noun, it refers to the material itself, such as 'The bomb squad found an explosive at the site.' As an adjective, it describes something that is likely to explode or something that grows very quickly, like 'an explosive increase in popularity.'
Common collocations include plastic explosive, high explosive, and explosive device. In a formal or technical register, you might hear experts talk about 'detonating an explosive' or 'handling explosives' with extreme caution. Always be mindful of the tone when using this word, as it carries a heavy, serious weight.
While there are few literal idioms, we often use the word figuratively. 1. Explosive temper: Someone who gets angry very suddenly and violently. Example: 'He has an explosive temper, so don't provoke him.' 2. Explosive growth: Rapid expansion of a company or trend. Example: 'The startup saw explosive growth this year.' 3. A ticking time bomb: A situation likely to explode or fail soon. Example: 'The tension in the office is a ticking time bomb.' 4. To blow up: To become very angry or to explode. Example: 'She blew up at me for no reason.' 5. To go off: When an explosive device detonates. Example: 'The alarm went off suddenly.'
The noun explosive is usually countable when referring to specific types (e.g., 'They found several explosives'). In general, it can be used as a mass noun. The stress is on the second syllable: ik-SPLO-siv.
It rhymes with words like cohesive, incisive, and derisive. In American English, the 's' sound is voiced slightly, while in British English, it is often crisper. Remember, when using it as an adjective, it follows the noun, like 'an explosive situation,' but as a noun, it stands alone as the subject or object of the sentence.
Fun Fact
The word originally meant to boo an actor off stage!
Pronunciation Guide
sounds like ik-SPLOH-siv
sounds like ik-SPLOH-siv
Common Errors
- stressing the first syllable
- pronouncing the 'x' as 'z'
- forgetting the final 'v' sound
Rhymes With
Difficulty Rating
easy
easy
easy
easy
What to Learn Next
Prerequisites
Learn Next
上級
Grammar to Know
Noun usage
The explosive.
Adjective usage
Explosive growth.
Articles
An explosive.
Examples by Level
The explosive is dangerous.
explosive = bomb
simple subject
The police found an explosive in the bag.
He is very careful with explosives.
Explosives are used to move big rocks.
The loud explosive scared the dog.
We saw an explosive device on TV.
Do not play with explosives.
The scientist studied the explosive.
The explosive was very loud.
The construction crew used explosives to clear the path.
The bomb squad safely removed the explosive.
His explosive temper makes it hard to work with him.
The company experienced explosive growth this quarter.
The area was cleared because of a suspected explosive.
They are trained to handle high explosives.
The explosive power of the volcano was immense.
She warned him about his explosive reaction.
The situation in the region is highly explosive.
The report detailed the use of illegal explosives.
He has an explosive personality that changes quickly.
The explosive growth of the internet changed everything.
They discovered an explosive device hidden in the basement.
The explosive nature of the chemical makes it hard to store.
The protest turned into an explosive confrontation.
The explosive sound echoed through the valley.
The explosive increase in data usage has strained the network.
His explosive rhetoric ignited a fierce debate in parliament.
The explosive potential of the new fuel is being tested.
The explosive volatility of the stock market scared investors.
The explosive release of energy caused significant damage.
She avoided the explosive topic of politics at dinner.
The explosive expansion of the city created new challenges.
The explosive fusion of cultures created a unique art style.
The explosive synthesis of the compound requires extreme precision.
The explosive geopolitical climate threatens regional stability.
The explosive ingenuity of the architect redefined modern design.
The explosive acceleration of the particles was captured on film.
The explosive denouement of the play left the audience stunned.
His explosive wit often offended his more conservative peers.
The explosive proliferation of digital devices is unprecedented.
The explosive development of the virus was monitored closely.
よく使う組み合わせ
Idioms & Expressions
"ticking time bomb"
a dangerous situation about to explode
The debt is a ticking time bomb.
neutral"blow up"
to get very angry
Don't blow up at me!
casual"go off"
to explode or sound
The bomb went off at noon.
neutral"sit on a powder keg"
to be in a dangerous situation
We are sitting on a powder keg here.
idiomatic"light the fuse"
to start a conflict
His comment lit the fuse.
formal"fireworks"
a heated argument
There were fireworks at the meeting.
casualEasily Confused
Similar sound
Bad language vs bomb
He used an expletive.
Same root
Event vs material
The explosion was loud.
Same root
Verb vs noun
It will explode.
Similar spelling
Wide vs blast
The view is expansive.
Sentence Patterns
The + explosive + was + verb
The explosive was found.
He + has + an + explosive + noun
He has an explosive temper.
The + explosive + caused + noun
The explosive caused damage.
They + used + explosives + to + verb
They used explosives to blast.
It + is + an + explosive + situation
It is an explosive situation.
語族
Nouns
Verbs
Adjectives
関連
How to Use It
7
Formality Scale
よくある間違い
Explosion is the event, explosive is the object.
They sound similar but mean totally different things.
It's redundant.
Only one 's' in the middle.
Explosive implies a blast, not just noise.
Tips
Memory Palace Trick
Imagine a bomb in your kitchen.
When Native Speakers Use It
In news reports.
Cultural Insight
Serious tone is required.
Grammar Shortcut
Use as a noun or adjective.
Say It Right
Stress the second syllable.
Don't Make This Mistake
Don't confuse with expletive.
Did You Know?
It means to hiss at actors.
Study Smart
Use flashcards with images.
Safety Warning
Never use this word as a joke.
Context Matters
Use it in science or news.
Memorize It
Mnemonic
Explosive = Ex-plode (Ex-plode-sive).
Visual Association
A bright orange blast in a cartoon.
Word Web
チャレンジ
Use the word in a sentence about a volcano.
語源
Latin
Original meaning: hiss off stage
文化的な背景
Very high; never joke about explosives in public or airports.
Used with extreme caution in news and safety contexts.
Practice in Real Life
Real-World Contexts
News
- explosive device found
- police investigate
Science
- chemical properties
- rapid reaction
Construction
- controlled blast
- mining site
Psychology
- explosive temper
- emotional outburst
Conversation Starters
"Have you ever seen a controlled explosion?"
"Why are explosives dangerous?"
"What does 'explosive growth' mean?"
"How do you handle an explosive situation?"
"Why do we use explosives in mining?"
Journal Prompts
Write about a time you saw a loud explosion.
Describe an 'explosive' personality.
Why is safety important with explosives?
How has technology changed explosives?
よくある質問
8 問No, it can be an adjective too.
Yes, to describe their temper.
Yes, in news and science.
Yes, explosives.
It is neutral but serious.
Explode.
Explosively.
Yes, like bomb or charge.
自分をテスト
The ___ is very loud.
It refers to the blast.
Which is an explosive?
Dynamite is a known explosive.
Explosives are safe to play with.
They are dangerous.
Word
意味
Matching synonyms.
Standard subject-verb order.
スコア: /5
Summary
An explosive is a high-energy material that requires extreme caution.
- It is a material that blasts.
- It is often dangerous.
- It can be used for mining.
- It describes sudden changes.
Memory Palace Trick
Imagine a bomb in your kitchen.
When Native Speakers Use It
In news reports.
Cultural Insight
Serious tone is required.
Grammar Shortcut
Use as a noun or adjective.
例文
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