Meaning & Definition of word "Virus"

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    Virus

    /ˈvaɪrəs/

    noun:

    • 1. A submicroscopic infectious agent that replicates only inside the living cells of an organism.
      • Example: The flu virus spreads easily during the winter months.
    • 2. A computer program that can copy itself and infect a computer without the user's consent.
      • Example: Make sure to update your antivirus software to protect against the latest computer viruses.
    • 3. An infection or a disease caused by a virus.
      • Example: He was diagnosed with a viral infection, likely caused by a common cold virus.

    Etymology

    Late Latin 'virus' meaning 'poison, slime'

    Common Phrases and Expressions

    viral infection:

    An illness caused by a virus that usually spreads from one person to another.

    viral marketing:

    A marketing strategy that encourages individuals to share a marketing message to others, potentially leading to exponential growth.

    viral load:

    The amount of virus present in a patient's blood or bodily fluids.

    Related Words

    bacteria:

    Single-celled organisms that can cause disease but are different from viruses.

    infection:

    The invasion and multiplication of microorganisms such as bacteria, viruses, parasites, or fungi that are not normally present in the body.

    antivirus:

    Software designed to detect and destroy computer viruses.

    Slang Meanings of virus

    Meaning: A viral video

    Example Sentence: That clip from the concert went viral overnight!

    Meaning: To catch a virus

    Example Sentence: I don't want to catch a virus during flu season.