• Nitrogen

    Pronunciation

    • IPA: /ˈnaɪtɹədÊ’É™n/
    • Hyphenation: ni + tro + gen

    Origin

    From French nitrogène (coined by Lavoisier), corresponding to nitro- + -gen.

    Noun

    nitrogen

    (countable and uncountable; plural nitrogens)
    1. (uncountable) A chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067.
    2. (uncountable) Molecular nitrogen (N
    2), a colorless, odorless gas at room temperature.
    1. (countable) A specific nitrogen within a chemical formula, or a specific isotope of nitrogenThe two nitrogens are located next to one another on the ring.

    Synonyms

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