filter(redirected from umbrella filter)
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Related to umbrella filter: Greenfield filter
filternoun classification, means to rectify, means to reeine, purification, purifier, refinery, screen, sieve, sifter, strainer
filterverb clarify, clean, clear, distill, filtrate, find, leach, pass through, percolate, purify, rectify, refine, screen, strain
Associated concepts: filter the evidence through the jury
See also: distill, purge, screen, select