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

Examples of nitrogen oxide in a Sentence

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In spring 2020, UCLA scientists published findings that nitrogen oxides emitted by gas stoves inside the home can cause respiratory symptoms such as asthma, particularly in children, with effects felt in smaller households that lack proper ventilation. Ari Plachta, Sacramento Bee, 17 Jan. 2025 Wildfires also emit harmful gases, such as nitrogen oxides and carcinogenic polycyclic aromatic hydrocarbons (PAHs) that, after infiltrating indoors— often through HVAC systems without adequate filtration— can accumulate on foods and food surfaces through particle deposition. Daphne Ewing-Chow, Forbes, 11 Jan. 2025 Depending on what's burning – grasslands, trees, vegetation, buildings – wildfire smoke can contain chemical substances such as carbon monoxide, carbon dioxide, acid gases, sulfur dioxide, nitrogen oxides, benzene, toluene, styrene, metals and dioxins, the New York State Department of Health says. George Petras, USA TODAY, 10 Jan. 2025 The engines released excess carcinogenic exhaust containing nitrogen oxides and particulate matter, according to the agencies. Rick Barrett, Journal Sentinel, 20 Dec. 2024 See all Example Sentences for nitrogen oxide 

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of nitrogen oxide was in 1868

Dictionary Entries Near nitrogen oxide

Cite this Entry

“Nitrogen oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20oxide. Accessed 30 Jan. 2025.

Kids Definition

nitrogen oxide

noun
: any of various oxides of nitrogen: as

More from Merriam-Webster on nitrogen oxide

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