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Definition of nitrogen

nitrogen

/ˈnaɪtrədʒən/
ni · tro · gen
Plural:nitrogens
•
Adjective:nitrogenous
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nitrogen Lexical Profile

nitrogen Game Scores & Validity

• noun

1

A colorless, odorless, unreactive nonmetallic chemical element (atomic number 7, symbol N) that forms about 78 percent of the Earth's atmosphere and is an essential constituent of proteins, nucleic acids, and all living tissues.

Example

"Leguminous plants such as clover and beans enrich the soil by fixing atmospheric nitrogen through symbiotic bacteria in their roots."

• Rhymes for nitrogen

• Nearby Words

nitrate
nitric
nitro
nitrogen
nitroglycerin
nitrous
nitrox

Word Origin & Etymology

Borrowed in the late 18th century from French nitrogène, coined by chemist Jean-Antoine Chaptal from Greek nitron ('niter, potassium nitrate') and -genēs ('producer'), meaning 'niter-producing'.

Cite this Entry

Wordmom. (2026). Definition of Nitrogen. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/nitrogen
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