Etymology
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nitrogen (n.)

colorless, odorless gaseous element, 1794, from French nitrogène, coined 1790 by French chemist Jean Antoine Chaptal (1756-1832), from Greek nitron "sodium carbonate" (see nitro-) + French gène "producing," from Greek -gen "giving birth to" (see -gen). The gas was identified in part by analysis of nitre. An earlier name for it was mephitic air (1772), and Lavoisier called it azote (see azo-). It forms about 78% of the weight of the Earth's atmosphere. Related: Nitrogenic; nitrogenous.

updated on June 26, 2019

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Definitions of nitrogen from WordNet

nitrogen (n.)
a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues;
Synonyms: n / atomic number "
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.