nitrogen dioxide
noun
: 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
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Its air pollution tracking satellite, TEMPO (Tropospheric Emissions: Monitoring of Pollution), detected plumes of nitrogen dioxide and formaldehyde in the smoke on June 17.
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Melissa Fleur Afshar, MSNBC Newsweek, 20 June 2025
California has used the waiver to rein in soot, nitrogen dioxide and ozone that lead to asthma and lung disease.
—Lisa Friedman, New York Times, 26 Feb. 2025
Once fully implemented, they were expected to prevent the release of 6 tons of smog-forming nitrogen dioxides each day — roughly the amount released by two natural gas power plants.
—Tony Briscoe, Los Angeles Times, 6 June 2025
It is based on ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide, and nitrogen dioxide.
—Steve Karnowski, Chicago Tribune, 4 June 2025
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Melissa Fleur Afshar, MSNBC Newsweek, 20 June 2025
California has used the waiver to rein in soot, nitrogen dioxide and ozone that lead to asthma and lung disease.
—Lisa Friedman, New York Times, 26 Feb. 2025
Once fully implemented, they were expected to prevent the release of 6 tons of smog-forming nitrogen dioxides each day — roughly the amount released by two natural gas power plants.
—Tony Briscoe, Los Angeles Times, 6 June 2025
It is based on ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide, and nitrogen dioxide.
—Steve Karnowski, Chicago Tribune, 4 June 2025
See All Example Sentences for nitrogen dioxide
Cite this Entry
“Nitrogen dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20dioxide. Accessed 15 Jul. 2025.
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