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  1. CO Definition & Meaning - Merriam-Webster

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

  2. 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.

  3. 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 …

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

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

  5. 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, …

  6. CO- | definition in the Cambridge English Dictionary

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

  7. Difference Between .com, .co, .net, .org, & .us Domain Names

    Learn what the difference is between .com, .net, .org, .co, and .us domain types and what makes them so popular. Discover which one to choose for your business.

  8. What Is a .Co Domain Extension? And Should You Use It?

    Oct 20, 2025 · .co is a generic top-level domain (TLD) that stands for “company” or “corporation.” Originally launched in the early 1990s for websites connected to Colombia, it has since evolved into …

  9. CO - Definition by AcronymFinder

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

  10. Co Definition & Meaning - YourDictionary

    Gender-neutral object pronoun, coordinate with gendered pronouns him and her. Co definition: Cash order.