definitions

bacteria bed

noun

a layer of sand or gravel used to expose sewage effluent, in its final stages, to air and the action of microorganismsCompare filter bed (def. 1)

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Nearby words

bacter-, bacteraemia, bacteremia, bacteri-, bacteria, bacteria bed, bacterial canker, bacterial capsule, bacterial endocarditis, bacterial infection, bacterial plaque
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012