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.
Deep State And Other Trending Words On Dictionary.comTurpitude, venality, and demagogue When former CIA Director John Brennan weighed in on the firing of former Deputy Director of the FBI Andrew McCabe, he likely expected to make waves. But did he know he’d send searches for his word choices skyrocketing on Dictionary.com? The director’s tweet, issued in response to President Donald Trump, represents the biggest spike in searches on Dictionary.com this week! If …
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for nitrogen dioxide
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