팽창하다
To become larger in size, volume, or quantity; to expand.
Examples
3 of 5풍선이 점점 팽창해.
The balloon is expanding more and more.
열을 가하면 금속이 팽창합니다.
Metals expand when heat is applied.
경제 규모가 급격히 팽창하면서 여러 부작용이 나타났습니다.
As the scale of the economy expanded rapidly, several side effects appeared.
Word Family
Memory Tip
Pang! like the sound of something bursting as it expands.
Quick Quiz
고무줄을 당기면 늘어나지만, 공기는 열을 받으면 ( ).
Correct!
The correct answer is: 팽창한다
Examples
풍선이 점점 팽창해.
informalThe balloon is expanding more and more.
열을 가하면 금속이 팽창합니다.
formalMetals expand when heat is applied.
경제 규모가 급격히 팽창하면서 여러 부작용이 나타났습니다.
academicAs the scale of the economy expanded rapidly, several side effects appeared.
우리 회사는 해외 시장으로 사업을 팽창하고 있습니다.
businessOur company is expanding its business into overseas markets.
공기가 팽창해서 압력이 높아졌어요.
everydayThe air expanded and the pressure increased.
Word Family
Common Collocations
Common Phrases
팽창 정책
expansionary policy
팽창 계수
expansion coefficient
팽창을 막다
to prevent expansion
Often Confused With
Pangchanghada often refers to physical volume or abstract size, while hwakjanghada focuses on widening boundaries.
Usage Notes
Used for physical science (gas/solid) and abstract concepts (economy/population).
Common Mistakes
Don't confuse with 'sangsang' (imagination) just because of the sound.
Memory Tip
Pang! like the sound of something bursting as it expands.
Word Origin
Sino-Korean 'paeng' (to swell) and 'chang' (to expand).
Grammar Patterns
Quick Quiz
고무줄을 당기면 늘어나지만, 공기는 열을 받으면 ( ).
Correct!
The correct answer is: 팽창한다
Related Vocabulary
More science words
발현되다
B2To manifest, appear, or be revealed, especially regarding traits, symptoms, or hidden abilities.
응집력
B2The force that holds the molecules of a substance together, or the ability of a group of people to unite and work together effectively.
연쇄반응
B2A chain reaction; a sequence of events where each event is caused by the previous one. It can refer to physical chemical reactions or social/economic phenomena.
매개
B2An intermediate agent or medium through which something is accomplished or transmitted; a link between two things.
결합
B2The act of joining or combining two or more things into one. It is used in chemistry (bonding), technology (integration), and social sciences (union).
전이되다
B2To be transferred or spread from one place, person, or thing to another. Used in medical (metastasis), psychological (transfer of learning), or social contexts.
가역적
B2Capable of being reversed or turned back to an original state. In science, it refers to processes or reactions that can go in both directions.
발산하다
B2To emit, radiate, or give off something (like light, heat, or energy), or to express one's feelings or talents outwardly and strongly.
분절적
B2Divided into separate parts or segments. In linguistics or social science, it refers to something that is not continuous but broken into distinct units.
변환하다
B2To convert or transform something from one form, state, or system to another.
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