ampicillin Hear it!

ampicillin definition

am·pi·cil·lin (am′pə sil′in)

noun

a synthetic antibiotic, CHNOS, derived from penicillin, having resistance to acids so that it can be taken orally to fight a wide range of bacterial infections

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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