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English definition of “nitrogen”

nitrogen

noun [U]     /ˈnaɪ.trə.dʒən/ (symbol N)
a chemical element that is a gas with no colour or taste, forms about 78% of the Earth's atmosphere, and is a part of all living thingsChemical elements
(Definition of nitrogen noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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