さんかちっそ 酸化窒素 LinksSentence search for 酸化窒素Sentence search for さんかちっそKanji details for 酸, 化, 窒 and 素Edit in JMdict Noun1. nitrogen oxide (esp. nitric oxide, but also nitrous oxide, nitrogen dioxide, dinitrogen pentoxide, etc.) Discussions Log in to talk about this word.