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antibiotic

Syllabification: an·ti·bi·ot·ic
Pronunciation: /ˌan(t)ēbīˈädik
 
, ˌan(t)ībīˈädik
 
/

Definition of antibiotic in English:

noun

A medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms.
Example sentences
  • Completing just a five day course of antibiotics or antimalarial drugs is a rare achievement here.
  • You may also need to have painkillers, antibiotics, and fluids through a drip.
  • You may be given painkillers, antibiotics and mouthwash solutions to take home.

adjective

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Relating to, involving, or denoting antibiotics.
Example sentences
  • The effect of early antibiotic therapy on this form of infection is unknown.
  • If patients fulfill the above criteria, antibiotic therapy should be considered.
  • In addition, no antibiotic therapy was administered, as this was a lethal model.

Origin

mid 19th century (in the sense 'doubting the possibility of life in a particular environment'): from anti- + Greek biōtikos 'fit for life' (from bios 'life').

Definition of antibiotic in:

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