What does 発生 mean?
発生 is a Japanese noun meaning “outbreak, spring forth, occurrence” in English. It can also be translated as “generation (of power, heat, etc.), ontogeny” depending on context. It is written as 発生 in kanji, はっせい in hiragana, and hassei in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
一酸化炭素とは炭素化合物の不完全燃焼で発生する有害物質です。
Carbon monoxide is a poisonous substance formed by the incomplete combustion of carbon compounds.