nitrogen

Meanings

Plural: nitrogens

Noun

• 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
• The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
• Molecular nitrogen (N₂), a colorless, odorless gas at room temperature.
• A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.

Synonyms

atomic number 7, azote, E941 when used as a packaging gas, N, propellant

Related Words

aqua fortis, aqua regia, laughing gas, niter, nitr-, nitrate, nitre, nitric, nitride, nitrification, nitrify, nitrite, nitro-, nitrous, saltpeter, saltpetre