filter

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filter

noun classification, means to rectify, means to reeine, purification, purifier, refinery, screen, sieve, sifter, strainer

filter

verb 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
References in periodicals archive ?
Some observers find that a yellow or light orange filter (Wratten 12 or 15) helps the visibility of subtle markings in the bland polar regions.
A blue filter should therefore heighten their contrast, and an orange filter should tend to suppress it.