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
Recent Examples on the Web
They were taken to Salem Hospital Emergency Department and treated for carbon monoxide poisoning.
—
Christine Pelisek, PEOPLE, 9 June 2026
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 official cause was carbon monoxide poisoning.
—Blair Kerkhoff, Kansas City Star, 8 June 2026
Data from the Atacama Large Millimeter/Submillimeter Array (ALMA) radio telescopes in Chile, mapping the location of cold gas composed of carbon monoxide in the image.
—Adam Harrington, CBS News, 4 June 2026
See All Example Sentences for carbon monoxide
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Christine Pelisek, PEOPLE, 9 June 2026
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 official cause was carbon monoxide poisoning.
—Blair Kerkhoff, Kansas City Star, 8 June 2026
Data from the Atacama Large Millimeter/Submillimeter Array (ALMA) radio telescopes in Chile, mapping the location of cold gas composed of carbon monoxide in the image.
—Adam Harrington, CBS News, 4 June 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 13 Jun. 2026.
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