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English definition of “antibiotic”

antibiotic

noun [C]     /ˌæn.ti.baɪˈɒt.ɪk/ US  /-t̬i.baɪˈɑː.t̬ɪk/
C2 a medicine or chemical that can destroy harmful bacteria in the body or limit their growth : I'm taking antibiotics for a throat infection . a one-month course of antibiotics Some types of antibiotic are used to promote growth in farm animals . He's on antibiotics for an ear infection .Specific medicines and drugsSpecific types of drug
(Definition of antibiotic noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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