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nitrogen

  • noun
  • ni·tro·gen
  • nī'''′'''trə-jən

The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.

Example

“By molar fraction, nitric oxide contains equal parts nitrogen and oxygen.”

Other meanings

  1. Molecular nitrogen (diatomic nitrogen), N2, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it).

  2. A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.

    “The two nitrogens are located next to one another on the ring.”

A kind of

  • chemical element
  • gas

Kinds of nitrogen

  • liquid nitrogen

Related words

  • antinitrogen
  • hydronitrogen
  • multinitrogen
  • nitrian
  • nitrogenization
  • nitrogenless
  • nitrogenlike
  • nonnitrogen
  • organonitrogen
  • polynitrogen
  • radionitrogen
  • carbon-nitrogen-oxygen cycle

Word history

From French "nitrogène".

Where this comes from

This definition is adapted from “nitrogen” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.