窒ちっ素そ酸さん化か物ぶつちっそさんかぶつじ字FuriganaMeanings1nounnitrogen oxideTechnical term used in chemistry and environmental science. Refers to compounds composed of nitrogen and oxygen, such as NO and NO₂.自じ動どう車しゃの排はい気きガスには窒ちっ素そ酸さん化か物ぶつが