팽창
The action of becoming larger or more extensive in size, volume, or scope. Often used in physics (gases) or economics (market expansion).
Examples
3 of 5풍선에 열을 가하면 부피가 팽창합니다.
If you apply heat to a balloon, its volume expands.
우리 도시는 최근 몇 년 사이 급격히 팽창했습니다.
Our city has expanded rapidly in recent years.
풍선이 너무 팽창해서 터질 것 같아.
The balloon expanded so much it looks like it's going to pop.
Word Family
Memory Tip
Think of a 'Pang' (pop) - things expand until they go 'Pang'.
Quick Quiz
우주 ____ 이론에 따르면 우주는 계속 커지고 있다.
Correct!
The correct answer is: 팽창
Examples
풍선에 열을 가하면 부피가 팽창합니다.
everydayIf you apply heat to a balloon, its volume expands.
우리 도시는 최근 몇 년 사이 급격히 팽창했습니다.
formalOur city has expanded rapidly in recent years.
풍선이 너무 팽창해서 터질 것 같아.
informalThe balloon expanded so much it looks like it's going to pop.
우주가 팽창하고 있다는 사실은 허블에 의해 증명되었다.
academicThe fact that the universe is expanding was proven by Hubble.
회사는 해외 시장 팽창 전략을 세우고 있다.
businessThe company is setting up a strategy for overseas market expansion.
Word Family
Common Collocations
Common Phrases
급격히 팽창하다
to expand rapidly
팽창 정책
expansionary policy
한계까지 팽창하다
to expand to the limit
Often Confused With
Paengchang is expansion in volume or size, while yeonjang is extension in length or time.
Usage Notes
Common in physics lectures about the Big Bang or heat, and in economics about market growth.
Common Mistakes
Do not confuse 'paengchang' with 'hwakjang' (expansion); 'paengchang' is usually physical/volumetric.
Memory Tip
Think of a 'Pang' (pop) - things expand until they go 'Pang'.
Word Origin
From Sino-Korean 膨 (to swell) + 脹 (to expand).
Grammar Patterns
Quick Quiz
우주 ____ 이론에 따르면 우주는 계속 커지고 있다.
Correct!
The correct answer is: 팽창
Related Vocabulary
More science words
축적
B2The gradual gathering or piling up of things like wealth, knowledge, experience, or substances over a period of time.
통계학
B1The branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data.
산출하다
B2To calculate, yield, or produce a certain amount or result. Often used for numerical data or industrial production.
신뢰성
B2The quality of being trustworthy or performing consistently well; reliability.
작용하다
B1To act upon something or to have an effect/influence on a situation or process.
도태되다
B2To fall behind or be eliminated because of an inability to keep up with competition or changing environments. It is often used in biological evolution or business competition contexts.
생성하다
B1To cause something to come into existence, especially through a natural or technical process. Common in discussions of data, energy, or chemical reactions.
작용
B2The action or effect that something has on another thing, or the functioning of a particular process.
반비례
B2A relationship between two variables where one increases as the other decreases; inverse proportion.
진화
B2The process of gradual development or change in organisms or systems over time; evolution.
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