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antibiotic
an·ti·bi·ot·ic [ ànti bī óttik, àntī bī óttik ]


noun  (plural an·ti·bi·ot·ics)
Definition:
 
agent that destroys bacteria: a naturally produced substance that kills or inactivates bacteria, but has no effect against viruses, used as a medication


adjective 
Definition:
 
working as antibiotic: able to kill or inactivate bacteria

an·ti·bi·ot·i·cal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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