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Nitrogen
//ˈnaɪ.tɹə.d͡ʒən// noun
Definitions
Noun
- 1 The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas. uncountable
"Holonyms: dinitrogen, N₂, nitrogen (loose sense)"
- 2 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 wordnet
- 3 Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it). uncountable
"Meronyms: nitrogen (strict sense), N"
- 4 A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen. countable
"The two nitrogens are located next to one another on the ring."
Etymology
Borrowed from French nitrogène (coined by French chemist and physician Jean-Antoine Chaptal in 1790). By surface analysis, nitro- + -gen. See also niter.
See also for "nitrogen"
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