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  1. Carbon Monoxide Poisoning Basics | Carbon Monoxide Poisoning | CDC

    Jan 12, 2026 · Carbon monoxide (CO) is an odorless, colorless gas that can cause sudden illness and death if inhaled. Find quick facts about CO poisoning and what can be done to prevent it.

  2. CO - Wikipedia

    Look up co, -co, c/o, care of, or co- in Wiktionary, the free dictionary.

  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, including coal, …

  4. CO Definition & Meaning - Merriam-Webster

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

  5. CO Definition & Meaning | Dictionary.com

    The prefix co- now productively forms new words from bases beginning with any sound (co-conspirator; co-manage; coseismic ), sometimes with the derived sense “auxiliary, subsidiary” (coenzyme; copilot …

  6. 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.

  7. CO- | definition in the Cambridge English Dictionary

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

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

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

  9. Co Definition & Meaning - YourDictionary

    Co definition: Cash order.

  10. What Does CO Stand For? All CO Meanings Explained

    CO commonly refers to Carbon Monoxide, a colorless, odorless gas that can be harmful or fatal when inhaled in large amounts, often produced by burning fossil fuels.