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  1. Carbon monoxide - Wikipedia

    Carbon monoxide is the simplest oxocarbon and is isoelectronic with other triply bonded diatomic species possessing 10 valence electrons, including the cyanide anion, the nitrosonium cation, …

  2. CO Definition & Meaning - Merriam-Webster

    What does the abbreviation CO stand for? Meaning: company. How to use co in a sentence.

  3. Carbon Monoxide Fact Sheet | CPSC.gov

    What is carbon monoxide (CO) and how is it produced? Carbon monoxide (CO) is a deadly, colorless, odorless, poisonous gas. It is produced by the incomplete burning of various fuels, …

  4. CO - What does CO stand for? The Free Dictionary

    Looking for online definition of CO or what CO stands for? CO is listed in the World's most authoritative dictionary of abbreviations and acronyms.

  5. What is carbon monoxide? - US EPA

    Nov 13, 2025 · What is carbon monoxide? Definition. Carbon monoxide (CO) is a colorless, practically odorless, and tasteless gas or liquid. It results from incomplete oxidation of carbon …

  6. Carbon Monoxide: What It Is, How It Works, and Risks

    Oct 11, 2025 · Carbon monoxide is an odorless, tasteless, poisonous gas that forms when carbons from fuels burn incompletely. It is lighter than air and released both naturally, such as …

  7. carbon monoxide - Encyclopedia Britannica

    Nov 7, 2025 · carbon monoxide, (CO), a highly toxic, colorless, odorless, flammable gas produced industrially for use in the manufacture of numerous organic and inorganic chemical products.

  8. CO- | English meaning - Cambridge Dictionary

    CO- definition: 1. together; with: 2. abbreviation for company (= business): 3. written abbreviation for county…. Learn more.

  9. CO. definition in American English | Collins English Dictionary

    Co. is used as an abbreviation for company when it is part of the name of an organization.

  10. CO - Definition by AcronymFinder

    What does CO stand for? CO abbreviation. Define CO at AcronymFinder.com.