Definition of amoxicillin in English:

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Pronunciation: /əˌmäksəˈsilin/
(also amoxycillin)


A broad-spectrum semisynthetic penicillin, closely related to ampicillin but better absorbed when taken orally, used especially for ear and upper respiratory infections.
Example sentences
  • If you are given treatment for a bacterial infection with the antibiotics ampicillin or amoxycillin, you may develop a rash of small red spots.
  • For urinary tract infection, we examined resistance to ampicillin or amoxicillin and trimethoprim.
  • The curative treatment recommended for endocarditis combines penicillin or amoxicillin with gentamicin.


Late 20th century: blend of amino + contractions of hydroxy- + penicillin.

For editors and proofreaders

Syllabification: a·mox·i·cil·lin

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