Meaning & Definition of word "Penicillin"

to

arrow

    Penicillin

    /ˌpɛnɪˈsɪlɪn/

    noun:

    • 1. A group of antibiotics derived from Penicillium fungi, used to treat various bacterial infections.
      • Example: The doctor prescribed penicillin to treat her strep throat.
    • 2. The first antibiotic discovered, used extensively in the treatment of infections.
      • Example: Penicillin revolutionized medicine by effectively treating bacterial infections.
    • 3. A natural or synthetic substance that inhibits the growth of bacteria.
      • Example: Many patients are allergic to penicillin, requiring alternative antibiotics.

    Etymology

    From the genus name Penicillium, which contains the antibiotic.

    Common Phrases and Expressions

    penicillin allergy:

    An adverse reaction to the antibiotic penicillin.

    penicillin resistance:

    The condition in which bacteria are not affected by penicillin.

    penicillin treatment:

    The administration of penicillin to treat infections.

    Related Words

    antibiotic:

    A substance that can kill or inhibit the growth of bacteria.

    fungus:

    A group of spore-producing organisms feeding on organic matter.

    bacteria:

    Microscopic single-celled organisms that can be beneficial or pathogenic.

    Slang Meanings of penicillin

    Meaning: Penny

    Example Sentence: If you can't get the antibiotics, just take a 'penny' for a minor infection.

    Meaning: Pen

    Example Sentence: He's got a 'pen' for his infection; he'll be fine with a dose.