nitrogen
Definition
- n. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
Word forms
- Plural
- nitrogens
Example sentences
n.
Nitrogen makes up about 78% of the Earth's atmosphere.
化
In chemical reactions, nitrogen gas is often represented as N2.