nitrogen
中文来自 ECDICT
- n.
- 氮
释义（英文）
名词 Noun
- (chemistry, uncountable) The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
- (loose but very common, even in formal use; uncountable) Molecular nitrogen (diatomic nitrogen), N2, a colorless, odorless gas at room temperature, which constitutes most of air