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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

Burning them releases carbon monoxide, nitrogen oxides and fine particles that penetrate the lungs and bloodstream.

From BBC • Mar. 19, 2026

One of the two teenagers who died of suspected carbon monoxide poisoning at a holiday park in East Yorkshire had complained of a headache before they were last seen alive, an inquest heard.

From BBC • Mar. 10, 2026

From orbit, scientists can identify chemicals in the upper atmosphere, including ammonia, methane, ammonium hydrosulfide, water, and carbon monoxide.

From Science Daily • Jan. 31, 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