nitrous

noun

  1. 1

    Nitrous oxide.

  2. 2

    The system in some racing vehicles which pumps nitrous oxide into the engine to improve performance.

adjective

  1. 1

    Of, relating to, or derived from nitrogen, especially in which the valence of the nitrogen is lower than that of a corresponding nitric species

  2. 2

    Of, or relating to nitrous acid or its derivatives

  3. 3

    Having a sharp odor like ammonia or nitric acid

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