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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
Recent Examples on the Web
For example, one study shows low-income neighborhoods and communities of color are exposed to nitrogen dioxide pollution an average of 28% more than higher-income and majority White neighborhoods.
—Danielle Marie Holland, Parents, 29 May 2024
The flame also creates nitrogen dioxide, a precursor to smog and a pollutant that can cause difficulty breathing.
—Tony Briscoe, Los Angeles Times, 22 May 2024
For the study, researchers measured nitrogen dioxide levels in more than 100 homes before a gas stove was used, during use, and after the stove was turned off.
—Kaitlin Sullivan, Health, 15 May 2024
Gas-burning ranges produce and spread nitrogen dioxide (NO2) pollution indoors, the study found.
—Christianna Silva, Better Homes & Gardens, 14 May 2024
See all Example Sentences for nitrogen dioxide
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nitrogen dioxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1869, in the meaning defined above
Dictionary Entries Near nitrogen dioxide
Cite this Entry
“Nitrogen dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20dioxide. Accessed 16 Jun. 2024.
Kids Definition
nitrogen dioxide
noun
: a reddish brown poisonous gas that is an air pollutant formed from automobile exhausts
Medical Definition
nitrogen dioxide
noun
: 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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