carbon monoxide
noun
: a colorless odorless very toxic gas CO that is formed as a product of the incomplete combustion of carbon or a carbon compound
Examples of carbon monoxide in a Sentence
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Radon, carbon monoxide, lead — these are silent threats with straightforward tests.
—
Ryan Brennan, Kansas City Star, 19 May 2026
Should parents worry about radon and carbon monoxide?
—Ryan Brennan
may 19, Charlotte Observer, 19 May 2026
That six-story building has had 117 open violations, which include defective self-closing doors on the fourth and sixth floors and nonfunctioning smoke detectors and carbon monoxide detectors, city records show.
—Emma Seiwell, New York Daily News, 14 May 2026
This tiny trans-Neptunian object, meanwhile, has a remarkably precarious atmosphere perhaps composed of methane, nitrogen or carbon monoxide that is 5 to 10 million times thinner than Earth's, Reuters reported.
—Eric Lagatta, USA Today, 6 May 2026
See All Example Sentences for carbon monoxide
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Ryan Brennan, Kansas City Star, 19 May 2026
Should parents worry about radon and carbon monoxide?
—Ryan Brennan
may 19, Charlotte Observer, 19 May 2026
That six-story building has had 117 open violations, which include defective self-closing doors on the fourth and sixth floors and nonfunctioning smoke detectors and carbon monoxide detectors, city records show.
—Emma Seiwell, New York Daily News, 14 May 2026
This tiny trans-Neptunian object, meanwhile, has a remarkably precarious atmosphere perhaps composed of methane, nitrogen or carbon monoxide that is 5 to 10 million times thinner than Earth's, Reuters reported.
—Eric Lagatta, USA Today, 6 May 2026
See All Example Sentences for carbon monoxide
Cite this Entry
“Carbon monoxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20monoxide. Accessed 21 May. 2026.
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