nitrogen

noun, often attributive ni·tro·gen \ ˈnī-trə-jən \
Updated on: 10 Dec 2017

Definition of nitrogen

: a colorless tasteless odorless element that as a diatomic gas is relatively inert and constitutes 78 percent of the atmosphere and that is a constituent of organic compounds found in all living tissues — see Chemical Elements Table

nitrogenous

play \nī-ˈträ-jə-nəs\ adjective

Recent Examples of nitrogen from the Web

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Origin and Etymology of nitrogen

French nitrogène, from nitre niter + -gène -gen


NITROGEN Defined for English Language Learners

nitrogen

noun

Definition of nitrogen for English Language Learners

  • : a chemical that has no color or smell and that makes up a large part of the atmosphere


NITROGEN Defined for Kids

nitrogen

noun ni·tro·gen \ ˈnī-trə-jən \

Definition of nitrogen for Students

: a colorless odorless gaseous chemical element that makes up 78 percent of the atmosphere and forms a part of all living tissues

Medical Dictionary

nitrogen

noun ni·tro·gen \ ˈnī-trə-jən \

medical Definition of nitrogen

: a common nonmetallic element that in the free form is normally a colorless odorless tasteless insoluble inert diatomic gas comprising 78 percent of the atmosphere by volume and that in the combined form is a constituent of biologically important compounds (as proteins, nucleic acids, and alkaloids) and hence of all living cells as well as of industrially important substances (as cyanides, fertilizers, dyes, and antibiotics) symbol N — see Chemical Elements Table


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