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Definitions

carbon monoxide

NOUN
colorless odorless toxic gas
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A rom-com need not be a sparkling shelf covered with bon-bons, but it shouldn’t be a nauseating cloud of carbon monoxide that makes you want to flee.

From The Wall Street Journal • Apr. 2, 2026

They believe carbon monoxide fumes were leaking into the cabin of the plane during Sala's flight, and the lack of an audible alarm meant Ibbotson was unable to take action to disperse the deadly gas.

From BBC • Mar. 29, 2026

Humberside Police said their deaths were thought to be connected to carbon monoxide poisoning.

From BBC • Feb. 21, 2026

As a result, emissions increased from wetlands, rivers, lakes, and farmed land, adding to the buildup of methane, the second-most important greenhouse gas after carbon monoxide.

From Science Daily • Feb. 10, 2026

It didn't look much like a factory—no towering steel silos or smokestacks billowing carbon monoxide, just a few buildings that vaguely reminded him of airplane hangars.

From "An Abundance of Katherines" by John Green