How to Use nitrogen oxide in a Sentence

nitrogen oxide

noun
  • When in the presence of sunlight and nitrogen oxide, ozone can form as a byproduct.
    — Tom Skilling, chicagotribune.com, 12 Dec. 2017
  • The health threats are caused by nitrogen oxide and tiny particles of dust and soot that create haze in the air.
    — Eric Lipton, Anchorage Daily News, 15 Feb. 2018
  • When combined with nitrogen oxide, the two can react and form the pollutant ozone, or smog.
    — Halle Parker | Staff Writer, NOLA.com, 2 Feb. 2021
  • And that means a more efficient engine and one that produces less nitrogen oxide.
    — Jonathan M. Gitlin, Ars Technica, 26 June 2019
  • Diesels can emit more nitrogen oxide, which is bad for people’s health, but less CO2.
    — David McHugh, The Seattle Times, 2 Oct. 2018
  • As such, the yacht will produce no emissions, nitrogen oxides, or sulfur oxides.
    — Rachel Cormack, Robb Report, 31 Aug. 2023
  • One source is nitrogen oxides, mostly from power plants and engine exhaust.
    — Erik Stokstad, Science | AAAS, 4 Dec. 2019
  • The air district will limit sales of heating appliances to those that don’t churn out nitrogen oxides.
    — Julie Johnson, San Francisco Chronicle, 15 Mar. 2023
  • What's more, the exhaust gases contain fewer nasty nitrogen oxides, and the unused air gets put to work.
    — Jonathan M. Gitlin, Ars Technica, 25 Jan. 2018
  • Zatko wanted to measure the release of nitrogen oxides from snow.
    — Jeffrey Brainard, Science | AAAS, 26 Mar. 2018
  • Like sulfur, nitrogen in coal combines with oxygen in the air to form a mixture of nitrogen oxides.
    — Akshat Rathi, Quartz, 23 Oct. 2019
  • Planes emit a lot of carbon dioxide and nitrogen oxides, also greenhouse gases.
    — Dave Smith, Fortune, 14 Aug. 2025
  • Carbon monoxide and nitrogen oxide emissions would go down by more than 15 percent each.
    — Niha Masih, Washington Post, 20 Apr. 2022
  • Microbes in the soil digest some of what remains to produce nitrogen oxides, or NOx.
    — Deirdre Lockwood, Scientific American, 6 Feb. 2018
  • During the cold start, his engine spews a large amount of carbon monoxide, nitrogen oxides and a whole slew of hydrocarbons.
    — Anchorage Daily News, 4 Jan. 2020
  • Trucks are the largest source of nitrogen oxide emissions in California.
    — Rachel Uranga, Los Angeles Times, 21 Sep. 2022
  • That could produce more local air pollution from nitrogen oxides — or NOx — from small gas plants.
    — Evan Bush, NBC News, 12 May 2023
  • The exact impact of nitrogen oxide emissions will depend on the size of someone's kitchen, and whether the cook uses the hood on their stove while cooking.
    — CBS News, 28 Jan. 2022
  • The study of on-road performance found that one emitted up to 35 times the allowable amount of toxic nitrogen oxide.
    — Washington Post, 5 May 2018
  • But, at German insistence, cars can emit double the legal limit of nitrogen oxides and still be approved.
    — Jack Ewing, New York Times, 13 Sep. 2017
  • Its vehicles in the US were found to be emitting up to 40 times the legal limit on nitrogen oxide.
    — Angela Dewan, CNN, 3 Sep. 2017
  • Allen said earlier studies suggest each flash produces about 250 moles of nitrogen oxides.
    — Aamir Khollam, Interesting Engineering, 29 Aug. 2025
  • By the end of the year, the company had exceeded limits on carbon monoxide, sulfur dioxide and nitrogen oxides at least seven times.
    — Katrease Stafford, Detroit Free Press, 21 May 2018
  • The excess nitrogen oxide in the atmosphere could wash away as much as 7 percent of Earth’s ozone layer, too, according to the study.
    — Jennifer Leman, Popular Mechanics, 31 Dec. 2021
  • But each lightning strike also emits nitrogen oxides, gases more commonly linked to vehicle exhaust.
    — Aamir Khollam, Interesting Engineering, 29 Aug. 2025
  • Emissions of nitrogen oxide, also known as NOx, form smog and soot that is harmful to human health and linked to serious heart and lung diseases.
    — Matthew Daly, Los Angeles Times, 14 Jan. 2026
  • Indeed, the 15 largest container ships alone emit more nitrogen oxide and sulphur oxide pollutants than all the world’s cars combined.
    — Daniel Oberhaus, Wired, 19 Mar. 2020
  • The engines of those trucks emit about 70% of smog-forming nitrogen oxides and 80% of carcinogenic diesel soot, according to the air board.
    — Ari Plachta, Sacramento Bee, 28 Feb. 2025
  • This ground-level ozone can form when carbon monoxide gas emitted by wildfires chemically reacts with nitrogen oxides in the presence of sunlight.
    — Jeanna Bryner, Scientific American, 8 June 2026
  • The goal is to reduce nitrogen oxides (NOx) pollution, which contributes to lung-damaging soot and smog.
    — Tim Zorn, Post-Tribune, 19 Jan. 2018

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'nitrogen oxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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