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[fil-treyt] /ˈfɪl treɪt/
verb (used with object), verb (used without object), filtrated, filtrating.
to filter.
liquid that has been passed through a filter.
Origin of filtrate
1605-15; < Medieval Latin filtrātus filtered, past participle of filtrāre. See filter, -ate1
Related forms
filtratable, adjective
filtration, noun
interfiltrate, verb (used with object), interfiltrated, interfiltrating.
interfiltration, noun
transfiltration, noun
unfiltrated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for filtrate
  • In all tests the filtrate was recycled back into the feed tank to maintain a constant solids concentration.
  • The majority of the process filtrate is expected to be transferred to the vermiculture facility for use as makeup water.
British Dictionary definitions for filtrate


a liquid or gas that has been filtered
another name for filter (sense 7)
Derived Forms
filtratable, adjective
Word Origin
C17: from Medieval Latin filtrāre to filter
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
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Word Origin and History for filtrate

1610s, probably a back-formation from filtration. As a noun, from 1846.

Online Etymology Dictionary, © 2010 Douglas Harper
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filtrate in Medicine

filtrate fil·trate (fĭl'trāt')
v. fil·trat·ed, fil·trat·ing, fil·trates
To put or go through a filter. n.
Material, especially liquid, that has passed through a filter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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