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biofilter
bioflavonoid
biofuel
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biogenesis
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biogeochemistry
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biological weapon
bi·o·log·i·cal weap·on (plural bi·o·log·i·cal weap·ons)


noun 
Definition:
 
missile containing harmful microorganisms: a missile, bomb, or other device that delivers harmful biological agents
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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