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biological control
biological oxygen demand
biological shield
biological stressor
biological warfare
biological weapon
biology
bioluminescence
biomagnetics
biomagnification
biomass
biomaterial
biomathematics
biome
biomechanical engineering
biomechanics
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biohazard
bi·o·haz·ard [ b ō hàzzərd ] (plural bi·o·haz·ards)


noun 
Definition:
 
harmful agent: a risk to human beings or their environment, especially one presented by a toxic or infectious agent

bi·o·haz·ard·ous [ b ō házzərdəss ] adjective
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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