窒ちっ素そ代たい謝しゃちっそたいしゃMeanings1nounnitrogen metabolismTechnical term used in biology and biochemistry for the set of chemical processes involving nitrogen in living organisms.植しょく物ぶつの窒ちっ素そ代たい謝しゃは、土ど壌じょう中ちゅうの硝しょう酸さんイオンから