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filter bed
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noun
a pond or tank having a false bottom covered with sand and serving to filter river or pond waters.
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Origin of filter bed
First recorded in 1870–75
Words nearby filter bed
fils, filt., filter, filterable, filterable virus, filter bed, filter bubble, filter cake, filter factor, filter feeder, filter feeding
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use filter bed in a sentence
This valve is opened, and the watery portion is allowed to escape into a sand filter bed.
So that the last step of our artificial filtration is simply an imitation of nature's great filter-bed.
A Handbook of Health|Woods Hutchinson
British Dictionary definitions for filter bed
filter bed
noun
a layer of sand or gravel in a tank or reservoir through which a liquid is passed so as to purify itCompare bacteria bed
any layer of material through which a liquid is passed so as to filter it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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