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 distribution, nitrogen equivalent, nitrogen fixation, nitrogen fixer, nitrogen-fixing

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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
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
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

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
It reacts very readily with oxygen by burning smokelessly, with carbon dioxide and water as its byproducts.
Methane on Mars: Life or Just Gas?|Matthew R. Francis|December 17, 2014|DAILY BEAST
Other psychiatrists attempted to treat schizophrenia with carbon dioxide gas and artificially-induced comas.
Schizophrenia Isn’t One Disorder but Eight|Samantha Allen|September 16, 2014|DAILY BEAST
There is also more nitrogen in his varieties, and this contributes to a quick restart of fermentation after each filtration.
Wine, Watch Out! These Ciders Are Just as Good|Jordan Salcito|July 19, 2014|DAILY BEAST
The higher levels of carbon dioxide will induce something of a feeding frenzy for plants, at least for a while.
Blame Climate Change for Your Terrible Seasonal Allergies|Kent Sepkowitz|May 14, 2014|DAILY BEAST
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
Ammonia is a compound of nitrogen and hydrogen, but it cannot be formed by the direct union of these gases.
Elements of Agricultural Chemistry|Thomas Anderson
The form in which nitrogen may be absorbed has given rise to much difference of opinion.
Elements of Agricultural Chemistry|Thomas Anderson
Pigeons' dung, according to Boussingault, contains 8·3 per cent of nitrogen, equivalent to 10·0 of ammonia.
Elements of Agricultural Chemistry|Thomas Anderson
Refuse horse hair generally contains 11 or 12 per cent of nitrogen.
Elements of Agricultural Chemistry|Thomas Anderson
Dry peat of good quality contains about one per cent of nitrogen, and a quantity of ash varying from five to twenty per cent.
Elements of Agricultural Chemistry|Thomas Anderson

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