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

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Other compounds, including nitrogen oxides, can also harm plants and reduce photosynthesis. Delphine Farmer, Discover Magazine, 2 Aug. 2024 The Mohave Energy Park is also expected to produce much less sulfur dioxide and nitrogen oxide — compared with energy generation from coal or diesel. Joan Meiners, The Arizona Republic, 7 Apr. 2024 Colorado oil and gas operators expect to meet or exceed the state requirement of cutting nitrogen oxide emissions 30% by 2025. Judith Kohler, The Denver Post, 3 Oct. 2024 Last but not least, a government decision that will cut air pollution: Southern California regulators are requiring rail yard owners, including BNSF and Union Pacific, to sharply reduce lung-irritating nitrogen oxides. Sammy Roth, Los Angeles Times, 8 Aug. 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 22 Nov. 2024.

Kids Definition

nitrogen oxide

noun
: any of various oxides of nitrogen: as

More from Merriam-Webster on nitrogen oxide

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!