DEFINITIONS

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.

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Words nearby nitrogen dioxide

nitrogelatin, nitrogen, nitrogen balance, nitrogen base, nitrogen cycle, nitrogen dioxide, nitrogen distribution, nitrogen equivalent, nitrogen fixation, nitrogen fixer, nitrogen fixing
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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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012