nitrogen oxide
noun
: any of several oxides of nitrogen most of which are produced in combustion and are considered to be atmospheric pollutants: such as
a
b
c
Examples of nitrogen oxide in a Sentence
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The devices measure pollutants regulated by the EPA, including nitrogen oxides, ozone and particulate matter from sources like gas turbines, factories and heavy traffic.
—
Jack Armstrong, Memphis Commercial Appeal, 6 Jan. 2026
The devices enabled vehicles to far exceed legal limits for nitrogen oxides, a pollutant that can cause respiratory illnesses and contributes to smog.
—CBS News, 23 Dec. 2025
Multiple studies have shown that burning methane gas produces nitrogen oxide, carbon monoxide, formaldehyde and benzene that can worsen respiratory illnesses such as asthma and increase the risk of cancer.
—Alan K. Chen, The Conversation, 18 Dec. 2025
This exhaust system converts pollutants (hydrocarbons, carbon monoxide and nitrogen oxides) into compounds that already make up our atmosphere (nitrogen, oxygen, carbon dioxide and water).
—Clare Mulroy, USA Today, 12 Nov. 2025
See All Example Sentences for nitrogen oxide
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Jack Armstrong, Memphis Commercial Appeal, 6 Jan. 2026
The devices enabled vehicles to far exceed legal limits for nitrogen oxides, a pollutant that can cause respiratory illnesses and contributes to smog.
—CBS News, 23 Dec. 2025
Multiple studies have shown that burning methane gas produces nitrogen oxide, carbon monoxide, formaldehyde and benzene that can worsen respiratory illnesses such as asthma and increase the risk of cancer.
—Alan K. Chen, The Conversation, 18 Dec. 2025
This exhaust system converts pollutants (hydrocarbons, carbon monoxide and nitrogen oxides) into compounds that already make up our atmosphere (nitrogen, oxygen, carbon dioxide and water).
—Clare Mulroy, USA Today, 12 Nov. 2025
See All Example Sentences for nitrogen oxide
Cite this Entry
“Nitrogen oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20oxide. Accessed 11 Jan. 2026.
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