filter(redirected from Neutral density filter)
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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