noun
nitrogen metabolism
Technical term used in biology and biochemistry for the set of chemical processes involving nitrogen in living organisms.
植物の窒素代謝は、土壌中の硝酸イオンから始まる。
Nitrogen metabolism in plants begins with nitrate ions in the soil.
Compound of 窒素 (chisso, 'nitrogen') and 代謝 (taisha, 'metabolism').