Meaning
- (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.
- (uncountable) Molecular nitrogen (N₂), a colorless, odorless gas at room temperature.
- (countable) A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.
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Pronounced as (IPA)
/ˈnaɪ.tɹə.d͡ʒən/
Etymology
Borrowed from French nitrogène (coined by French chemist and physician Jean-Antoine Chaptal in 1790). By surface analysis, nitro- + -gen. See also niter.
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