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bioelectricity
bioenergetics
bioengineering
bioethanol
bioethics
biofabric
biofeedback
biofilm
biofilter
bioflavonoid
biofuel
biog.
biogas
biogenesis
biogenic
biogeochemistry
biogeography
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biofilter
bi·o·fil·ter [ b ō fìltər ] (plural bi·o·fil·ters)


noun 
Definition:
 
live filter system: a filter system using microorganisms to transform or break down the organic compounds of a pollutant into carbon dioxide, water, and salts

bi·o·fil·tra·tion [ b ō fil tráysh'n ] noun
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