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binturong
binucleate
bio
bio-
bio-break
bio grab
bioaccumulation
bioactive
bioactivity
bioassay
bioastronomy
bioaugmentation
bioavailability
biocatalysis
biocenosis
biochemic remedy
biochemical
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bioactivity
bi·o·ac·tiv·i·ty [ b ō ak tívvətee ]


noun 
Definition:
 
effect on tissue: the effect that a substance or agent has on an organism or living tissue
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