nitrogen tetroxide

noun Chemistry.
  1. a poisonous compound, N2O4, occurring as a colorless, water-soluble solid or liquid, dissociating into NO2: used chiefly as an oxidizer, especially in rocket fuels, as a nitrating agent, and as an intermediate in the manufacture of nitric acid.
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British Dictionary definitions for nitrogen tetroxide

nitrogen tetroxide

noun
  1. another name for dinitrogen tetroxide
  2. a brown liquefied mixture of nitrogen dioxide and dinitrogen tetroxide, used as a nitrating, bleaching, and oxidizing agent
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