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
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.
In 2022, three Americans were killed at a resort in the Bahamas from carbon monoxide poisoning. Stacey Leasca, Travel + Leisure, 7 Apr. 2025 Things take a drastic turn by the end after the room fills with carbon monoxide, and Tai collapses. Jazz Tangcay, Variety, 4 Apr. 2025 In a planetary atmosphere, carbon monoxide and carbon dioxide are both present, but their balance depends on the amount of oxygen available. Victoria Corless, Space.com, 1 Apr. 2025 The tourists were all exposed to carbon monoxide before their deaths, with each registering carbon monoxide saturation levels of around 60%, according to the toxicology report reviewed by CBS News. Jonathan Limehouse, USA Today, 27 Mar. 2025 See All Example Sentences for carbon monoxide

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of carbon monoxide was in 1868

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Cite this Entry

“Carbon monoxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20monoxide. Accessed 28 Apr. 2025.

Kids Definition

carbon monoxide

noun
: a colorless odorless very poisonous gas formed by the incomplete burning of carbon

Medical Definition

carbon monoxide

noun
: a colorless odorless very toxic gas CO that burns to carbon dioxide with a blue flame and is formed as a product of the incomplete combustion of carbon

More from Merriam-Webster on carbon monoxide

Last Updated: - Updated example sentences
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