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biofilm
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bioflavonoid
biofuel
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biological warfare
bi·o·log·i·cal war·fare


noun 
Definition:
 
use of biological weapons in war: the use of microorganisms to cause disease or death to humans, animals, or plants
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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