nitrogen dioxide

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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

nitrogen, nitrogenase, nitrogen balance, nitrogen base, nitrogen cycle, nitrogen dioxide, nitrogen fixation, nitrogen fixer, nitrogen-fixing, nitrogenize, nitrogen monoxide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use nitrogen dioxide in a sentence

In hard-hit northern Italy, a Washington Post analysis of satellite data found, nitrogen dioxide levels also plummeted.
China’s covid lockdown led to an earlier, greener spring, a new study suggests|Tik Root|August 25, 2021|Washington Post
The ULEZ has helped reduce the number of people living in areas with illegal levels of nitrogen dioxide by 94% since the start of his term, according to city hall.
'We Know How to Bounce Back.' Sadiq Khan Has a Plan to Build a Greener, Fairer London Post-Pandemic|Ciara Nugent|August 11, 2021|Time
Exposure can be especially troublesome for kids, who may experience neurological problems that link back to nitrogen dioxide.
Gas stoves are bad for the environment—but what if the power goes out?|Sara Kiley Watson|March 5, 2021|Popular-Science
For comparison, the outdoor standards for nitrogen dioxide levels in the US is 100 parts per billion on average.
Gas stoves are bad for the environment—but what if the power goes out?|Sara Kiley Watson|March 5, 2021|Popular-Science

From March 15 through July 23, New York City had a 21 percent decrease in nitrogen dioxide, one of several nitrogen oxide gases, in comparison with 2019 levels.
What the pandemic can teach us about ways to reduce air pollution|Carolyn Gramling|January 4, 2021|Science News
Grosvenor Place, which runs alongside the palace, has almost four times the maximum permissible amount of nitrogen dioxide.
Pollution At The Palace|Tom Sykes|February 24, 2014|DAILY BEAST
When slowly heated in a vacuum vessel until ignition takes place, some nitrogen dioxide, NO2, is also produced.
Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6|Various

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