What does 窒素 mean?
窒素 is a Japanese noun meaning “nitrogen” in English. It is written as 窒素 in kanji, ちっそ in hiragana, and chisso in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
私達の吸っている空気は酸素と窒素からできている。
The air we breathe consists of oxygen and nitrogen.