# nitrogen

> English word · Noun · IPA /ˈnaɪ.tɹə.d͡ʒən/ · frequency rank #10,244

## Definitions
1. The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
2. Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it).
3. A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.

## Etymology
Borrowed from French nitrogène (coined by French chemist and physician Jean-Antoine Chaptal in 1790). By surface analysis, nitro- + -gen. See also niter.

## Common misspellings (12)
`introgen`, `nirtogen`, `nitorgen`, `nitrgoen`, `nitroegn`, `nitrogenn`, `nitroggen`, `nitrogne`, `nitrrogen`, `nittrogen`, `nnitrogen`, `ntirogen`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nitrogen