Antibiotic meaning

ăn'tĭ-bī-ŏt'ĭk, ăn'tī-
The definition of antibiotic is a medicine that helps a person or animal heal from an infection by destroying or limiting harmful microorganisms.

An example of an antibiotic is penicillin.

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Of or relating to antibiotics.
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A substance, such as penicillin or erythromycin, produced by or derived from certain microorganisms, including fungi and bacteria, that can destroy or inhibit the growth of other microorganisms, especially bacteria. Antibiotics are widely used in the prevention and treatment of infectious diseases.
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Of or relating to antibiosis.
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Destroying life or preventing the inception or continuance of life.
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Of antibiosis.
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Destroying bacteria and other microorganisms or inhibiting their growth.
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Of antibiotics.
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Any of certain chemical substances produced by various microorganisms, specif. bacteria, fungi, and actinomycetes, and having the capacity, in dilute solutions, to inhibit the growth of or to destroy bacteria and other microorganisms: the antibiotics, including penicillin, streptomycin, and tetracycline, are used in the treatment of various infectious diseases.
noun
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A substance, such as penicillin or erythromycin, produced by or derived from certain microorganisms, including fungi and bacteria, that can destroy or inhibit the growth of other microorganisms, especially bacteria. Antibiotics are widely used in the prevention and treatment of infectious diseases.
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Of or relating to antibiotics.
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Of or relating to antibiosis.
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A substance, such as penicillin, that is capable of destroying or weakening certain microorganisms, especially bacteria or fungi, that cause infections or infectious diseases. Antibiotics are usually produced by or synthesized from other microorganisms, such as molds. They inhibit pathogens by interfering with essential intracellular processes, including the synthesis of bacterial proteins. Antibiotics do not kill viruses and are not effective in treating viral infections.
noun
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Relating to antibiotics.
adjective
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Relating to antibiosis.
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(pharmacology) Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms.
noun
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(pharmacology) Of or relating to antibiotics.
adjective
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Destroying life or preventing the inception or continuance of life.
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Origin of antibiotic

  • From French antibiotique, coined in 1889 by P. Vuillemin from anti- and biotique, from Ancient Greek βιωτικός (biōtikós, “concerning or relating to life”) (from βίος (bíos, “life”), from Proto-Indo-European *gʷeih₃w- (“to live”)), perhaps influenced by ἀντίβιος (antibios, “opposed”).
    From Wiktionary