Penicillin meaning

pĕnĭ-sĭlĭn
An antibiotic drug obtained from molds especially of the genus Penicillium or produced synthetically, available in various preparations and usually used to treat infections caused by gram-positive bacteria.
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Any of a group of broad-spectrum antibiotic drugs, synthetic or semisynthetic, that are derived from penicillin.
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Any of a group of isomeric, antibiotic compounds with the general formula C9H11N2O4SR, obtained from the filtrates of certain molds (esp., Penicillium notatum and P. chrysogenum) or produced synthetically.
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An antibiotic drug obtained from molds especially of the genus Penicillium or produced synthetically, available in various preparations and usually used to treat infections caused by gram-positive bacteria.
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Any of a group of broad-spectrum antibiotic drugs, synthetic or semisynthetic, that are derived from penicillin.
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An antibiotic drug obtained from molds of the genus Penicillium and used to treat or prevent various infections caused by gram-positive bacteria such as streptococcus . Penicillin was the first of a class of antibiotics (whose names end in –icillin ) that are derived from it and are active against a broader spectrum of bacteria.
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(pharmacology) Any of a group of broad-spectrum antibiotics obtained from Penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases.
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Origin of penicillin

  • penicill(ium) –in

    From American Heritage Dictionary of the English Language, 5th Edition

  • Coined by Alexander Fleming after New Latin Penicillium notatum (now Penicillium chrysogenum), a fungus from which penicillin is obtained.

    From Wiktionary