nitrogen dioxide definition

  • noun:
    • A poisonous brown gas, NO2, frequently within smog and vehicle fatigue fumes and synthesized for usage as a nitrating agent, a catalyst, and an oxidizing broker.
    • the binary compound NO2, a brownish fuel which a poisonous atmosphere pollutant; it is present in balance with dinitrogen tetroxide.
    • a very poisonous brown gas (NO2)

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