방출하다
To release or emit substances like gas, light, heat, or energy into the outside world.
Examples
3 of 5식물은 낮에 산소를 방출하고 이산화탄소를 흡수한다.
Plants emit oxygen and absorb carbon dioxide during the day.
공장은 유독 가스를 무단으로 방출해서는 안 됩니다.
Factories must not release toxic gases without permission.
이 기계는 열을 너무 많이 방출해.
This machine emits too much heat.
Word Family
Memory Tip
Think of 'Bang' (release/set free) + 'Chul' (go out). Letting something go out freely.
Quick Quiz
지구 온난화의 주범은 대기 중으로 _____되는 온실가스이다.
Correct!
The correct answer is: 방출
Examples
식물은 낮에 산소를 방출하고 이산화탄소를 흡수한다.
everydayPlants emit oxygen and absorb carbon dioxide during the day.
공장은 유독 가스를 무단으로 방출해서는 안 됩니다.
formalFactories must not release toxic gases without permission.
이 기계는 열을 너무 많이 방출해.
informalThis machine emits too much heat.
화석 연료의 연소는 막대한 양의 온실가스를 방출한다.
academicThe combustion of fossil fuels emits a huge amount of greenhouse gases.
방사능 물질 방출 사고에 대비한 안전 훈련을 실시했다.
businessConducted safety training in preparation for a radioactive material release accident.
Word Family
Common Collocations
Common Phrases
탄소 방출
carbon emission
빛을 방출하다
to emit light
무단 방출
unauthorized release
Often Confused With
Usage Notes
Essential for IELTS Writing Task 2 when describing global warming or industrial pollution.
Common Mistakes
Don't confuse with '수출하다' (to export) despite the 'chul' sound.
Memory Tip
Think of 'Bang' (release/set free) + 'Chul' (go out). Letting something go out freely.
Word Origin
From Sino-Korean 放出 (to release/let out).
Grammar Patterns
Quick Quiz
지구 온난화의 주범은 대기 중으로 _____되는 온실가스이다.
Correct!
The correct answer is: 방출
Related Vocabulary
More environment words
기온
B1The temperature of the air in the atmosphere. It refers to how hot or cold the weather is.
소모
B1The act of using up or exhausting resources, energy, or time. It implies a reduction in the available amount.
훼손
B1The act of damaging, breaking, or spoiling the value, condition, or reputation of something.
이산화탄소
B1A colorless, odorless gas produced by burning carbon and organic compounds and by respiration; carbon dioxide (CO2).
수질
B1The quality of water, specifically in terms of its chemical, physical, and biological characteristics, usually with respect to its suitability for a particular purpose.
파괴
B1The act of damaging something so badly that it cannot be repaired or no longer exists.
미세먼지
B2Fine particulate matter in the air that is harmful to health. It is a major environmental and health topic in IELTS, especially regarding air quality and urban living.
탄소중립
B2A state of net-zero carbon dioxide emissions achieved by balancing emissions with removal or eliminating emissions altogether.
탄소 배출
B2The release of carbon (especially carbon dioxide) into the atmosphere through human activities like burning fossil fuels.
무분별하다
B2Lacking judgment, discretion, or thought. It refers to doing something indiscriminately or recklessly without careful consideration.
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