nitrogen dioxide
noun Chemistry.
a reddish-brown, highly poisonous gas, NO2, used as an intermediate in the manufacture of nitric and sulfuric acids, and as a nitrating and oxidizing agent; a major air pollutant from the exhaust of internal combustion engines that are not fitted with pollution control devices.
Words nearby nitrogen dioxide
British Dictionary definitions for nitrogen dioxide
nitrogen dioxide
noun
a red-brown poisonous irritating gas that, at ordinary temperatures, exists in equilibrium with dinitrogen tetroxide. It is an intermediate in the manufacture of nitric acid, a nitrating agent, and also an oxidizer for rocket fuels. Formula: NO 2