いっさんかにちっそ 一酸化二窒素 LinksSentence search for 一酸化二窒素Sentence search for いっさんかにちっそKanji details for 一, 酸, 化, 二, 窒 and 素Edit in JMdict Noun1. dinitrogen monoxide; nitrous oxideChemistry, See also 亜酸化窒素 Discussions Log in to talk about this word.