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antibiotic - definition and synonyms

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noun [countable] antibiotic pronunciation in British English /ˌæntibaɪˈɒtɪk/
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singularantibiotic
pluralantibiotics
  1. a drug that cures illnesses and infections caused by bacteria. Doctors often give people a course of antibiotics, when they have to take a fixed amount of medicine each day for several days.

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