nitrogen dioxide

noun

Definition of nitrogen dioxide

: a toxic reddish brown gas NO2 that is a strong oxidizing agent, is produced by combustion (as of fossil fuels), and is an atmospheric pollutant (as in smog)

Examples of nitrogen dioxide in a Sentence

Recent Examples on the Web The American Medical Association has also expressed concern on this front, linking the use of gas stoves with unhealthy nitrogen dioxide levels and asthma. Jamie Gold, Forbes, 28 June 2022 There, the catalyst’s precious metals help convert the byproducts of internal combustion—carbon monoxide, nitric oxide, nitrogen dioxide, and unburned hydrocarbons—into carbon dioxide and water. Matt Crisara, Popular Mechanics, 9 Mar. 2022 The most significant health risks happen when the stove is lit, the authors note, because the process creates nitrogen dioxide as a byproduct. Corryn Wetzel, Smithsonian Magazine, 1 Feb. 2022 But studies tracking changes in carbon dioxide, nitrogen dioxide and fine particulates also show a rebound toward prepandemic levels. Amanda Montañez, Scientific American, 31 Dec. 2021 Research from the National Library of Medicine demonstrates that exposure to nitrogen dioxide and carbon monoxide particulate matter increases the risk of Alzheimer's disease and dementia. Jeffrey Harper, chicagotribune.com, 26 Mar. 2021 The database, which has traditionally considered two types of particulate matter known as PM2.5 and PM10, for the first time has included ground measurements of nitrogen dioxide. Washington Post, 1 Aug. 2014 That same year a block-by-block analysis of West Oakland measured especially high levels of nitrogen dioxide in Marcus Garvey Commons and near the Mandela Parkway, where some of the highest poverty rates in the Bay Area are found. Julia Hotz, Scientific American, 14 May 2022 The database, which has traditionally considered two types of particulate matter known as PM2.5 and PM10, for the first time has included ground measurements of nitrogen dioxide. Washington Post, 1 Aug. 2014 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nitrogen dioxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nitrogen dioxide

1869, in the meaning defined above

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Time Traveler for nitrogen dioxide

Time Traveler

The first known use of nitrogen dioxide was in 1869

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Dictionary Entries Near nitrogen dioxide

nitrogen cycle

nitrogen dioxide

nitrogen family

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Statistics for nitrogen dioxide

Last Updated

27 Jul 2022

Cite this Entry

“Nitrogen dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20dioxide. Accessed 20 Aug. 2022.

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More Definitions for nitrogen dioxide

nitrogen dioxide

noun

Medical Definition of nitrogen dioxide

: a poisonous strongly oxidizing reddish brown gas NO2

More from Merriam-Webster on nitrogen dioxide

Britannica.com: Encyclopedia article about nitrogen dioxide

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