antibiotic substance

  • 1antibiotic — an ti*bi*ot ic n. 1. A chemical substance derived from a mold or bacterium that kills microorganisms and cures infections. Syn: wonder drug [WordNet 1.5] 2. any chemical substance having therapeutically useful antibacterial or antifungal… …

    The Collaborative International Dictionary of English

  • 2antibiotic — Substance produced by one microorganism that selectively inhibits the growth of another. Many wholly synthetic antibiotics have been produced …

    Dictionary of molecular biology

  • 3Antibiotic — A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually… …

    Medical dictionary

  • 4Antibiotic — In modern usage, an antibiotic is a chemotherapeutic agent with activity against microorganisms such as bacteria, fungi or protozoa. [cite book|author=Davey PG|chapter=Antimicrobial chemotherapy|editor=Ledingham JGG, Warrell DA|title=Concise… …

    Wikipedia

  • 5antibiotic — antibiotically, adv. /an ti buy ot ik, bee , an tee , tuy /, Biochem., Pharm. n. 1. any of a large group of chemical substances, as penicillin or streptomycin, produced by various microorganisms and fungi, having the capacity in dilute solutions… …

    Universalium

  • 6antibiotic drug — noun a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections when antibiotics were first discovered they were called wonder drugs • Syn: ↑antibiotic • Derivationally related forms:… …

    Useful english dictionary

  • 7antibiotic — I. adjective Date: 1894 1. tending to prevent, inhibit, or destroy life 2. of or relating to antibiotics or to antibiosis • antibiotically adverb II. noun Date: 1943 a substance produced by or a semisynthetic substance derived from a… …

    New Collegiate Dictionary

  • 8antibiotic — /ˌæntibaɪˈɒtɪk / (say .anteebuy otik) noun 1. a chemical substance produced by microorganisms which, in dilute solutions, may inhibit the growth of or kill bacteria and other microorganisms. 2. such a substance isolated and purified (as… …

  • 9antibiotic — 1. noun /ˌæn.ti.baɪˈɒt.ɪk,ˌæn.taɪ.baɪˈɒt.ɪk,ˌæn.taɪ.baɪˈɑ.tɪk,ˌæn.tə.baɪˈɑ.tɪk/ Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms. 2. adjective /ˌæn.ti.baɪˈɒt.ɪk,ˌæn.taɪ.baɪˈɒt.ɪk,ˌæn.taɪ.baɪˈɑ.tɪk,ˌæn.tə …

    Wiktionary

  • 10antibiotic — n. a substance, produced by or derived from a microorganism, that destroys or inhibits the growth of other microorganisms. Antibiotics are used to treat infections caused by organisms that are sensitive to them, usually bacteria or fungi. They… …

    The new mediacal dictionary