Korean Dictionary
How to say "Carbon Dioxide" in Korean
“Carbon Dioxide” in Korean is 이산화탄소 (pronounced "isanhwatanso").
이산화탄소
isanhwatanso
Usage & Context
Carbon dioxide (CO2) is the primary greenhouse gas responsible for climate change. Burning fossil fuels releases CO2 into the atmosphere. Korea participates in international agreements to limit CO2 emissions.
Example Sentence
이산화탄소 배출을 줄이는 것이 중요해요.
It is important to reduce carbon dioxide emissions.
How to use 이산화탄소 naturally
Quick answer
The Korean word for “Carbon Dioxide” is 이산화탄소, romanized as isanhwatanso.
Usage tip
Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 이산화탄소.
Pronunciation Guide
이 (i) sounds like 'ee' in 'see'. 산 (san) is like 'san' in 'sand'. 화 (hwa) is like 'hwa' in 'Hwaseong'. 탄 (tan) is like 'tan' in 'tan-gent'. 소 (so) is like 'so' in 'so-so'. Each syllable is pronounced distinctly and clearly.
More Example Sentences
Discussing climate change strategies.
이산화탄소 배출량 감소는 기후 변화 대응의 핵심이에요.
Reducing carbon dioxide emissions is key to addressing climate change.
Explaining a scientific fact.
식물은 광합성을 통해 이산화탄소를 흡수합니다.
Plants absorb carbon dioxide through photosynthesis.
Talking about sources of pollution.
자동차에서 나오는 이산화탄소가 대기 오염의 주범 중 하나입니다.
Carbon dioxide from cars is one of the main culprits of air pollution.
Cultural Context
'이산화탄소' is a very common term in Korean news and public discourse, especially concerning climate change (기후 변화) and fine dust (미세먼지). South Korea, as a major industrial nation, is under pressure to reduce its carbon footprint. Discussions around carbon neutrality (탄소 중립) and renewable energy (재생 에너지) frequently feature this term. It's a staple in environmental documentaries and educational programs.
Editorial note
We review entries like 이산화탄소 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
이산화탄소 배출
carbon dioxide emissions
이산화탄소 농도
carbon dioxide concentration
이산화탄소 감축
carbon dioxide reduction
Related Expressions
온실가스
onsilgasu
greenhouse gas
탄소 배출
tanso baechul
carbon emission
기후 변화
gihu byeonhwa
climate change
탄소 중립
tanso jungnip
carbon neutrality
More Environment Words
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