What does 燃焼 mean?
燃焼 is a Japanese noun meaning “burning, combustion” in English. It can also be translated as “exerting all strength” depending on context. It is written as 燃焼 in kanji, ねんしょう in hiragana, and nenshou in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
この種の汚染物質は主として自動車エンジンの燃焼から生まれる。
Pollutants like this derive mainly from the combustion of fuel in car engines.