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
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Ozone pollution, also called smog, is the presence of ground-level ozone that forms when chemicals like nitrogen oxides and volatile organics from electric utilities, car exhaust, gasoline vapors, industrial facilities and chemical solvents react to sunlight.
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Jen Christensen, CNN Money, 22 Apr. 2026
Though sulfur dioxide and nitrogen oxides can come from natural sources, such as volcanoes, the majority comes from burning fossil fuels.
—Andrea Thompson, Scientific American, 22 Apr. 2026
Once gases, such as carbon dioxide (CO2) or nitrogen oxides (NOx), come into contact with the system, they are adsorbed onto the electrode surface.
—Georgina Jedikovska, Interesting Engineering, 20 Apr. 2026
The plant also emits nitrogen oxides, volatile organic compounds, carbon monoxide, ammonia and other hazardous pollutants.
—Noelle Phillips, Denver Post, 9 Apr. 2026
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Jen Christensen, CNN Money, 22 Apr. 2026
Though sulfur dioxide and nitrogen oxides can come from natural sources, such as volcanoes, the majority comes from burning fossil fuels.
—Andrea Thompson, Scientific American, 22 Apr. 2026
Once gases, such as carbon dioxide (CO2) or nitrogen oxides (NOx), come into contact with the system, they are adsorbed onto the electrode surface.
—Georgina Jedikovska, Interesting Engineering, 20 Apr. 2026
The plant also emits nitrogen oxides, volatile organic compounds, carbon monoxide, ammonia and other hazardous pollutants.
—Noelle Phillips, Denver Post, 9 Apr. 2026
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 1 May. 2026.
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