Device that removes something from whatever passes through it.

Roget 252a: sponge, honeycomb, network; frit [Chem], filter.    sieve, net, screen (opening) 260.   

Roget 652: cleanness, cleanliness etc. adj.; purity; cleaning etc. v.; purification, defecation etc. v.; purgation, lustration^†; detersion^†, abstersion^†; epuration^†, mundation^†; ablution, lavation^†, colature^†; disinfection etc. v.; drainage, sewerage.    lavatory, laundry, washhouse^†; washerwoman, laundress, dhobi^†, laundryman, washerman^†; scavenger, dustman^†, sweep; white wings brush [U.S.]; broom, besom^†, mop, rake, shovel, sieve, riddle, screen, filter; blotter.    napkin, cloth, maukin^†, malkin^†, handkerchief, towel, sudary^†; doyley^†, doily, duster, sponge, mop, swab.    cover, drugget^†.    wash, lotion, detergent, cathartic, purgative; purifier etc. v.; disinfectant; aperient^†; benzene, benzine benzol, benolin^†; bleaching powder, chloride of lime, dentifrice, deobstruent^†, laxative.    ... show more

Polish: filtr

An electrical device that alters the frequency spectrum of signals passing through it.

Dutch: filter

Remove by passing through a filter:
— Filter out the impurities.

synonyms: filter out, filtrate, separate out, strain.

Roget 652: be clean, render clean etc. adj.; clean, cleanse; mundify^†, rinse, wring, flush, full, wipe, mop, sponge, scour, swab, scrub, brush up.    wash, lave, launder, buck; absterge^†, deterge^†; decrassify^†; clear, purify; depurate^†, despumate^†, defecate; purge, expurgate, elutriate [Chem], lixiviate^†, edulcorate^†, clarify, refine, rack; filter, filtrate; drain, strain.    disinfect, fumigate, ventilate, deodorize; whitewash; castrate, emasculate.    sift, winnow, pick, weed, comb, rake, brush, sweep.    rout out, clear out, sweep out &c.; make a clean sweep of.    ... show more

Roget 295: emerge, emanate, issue; egress; go out of, come out of, move out of, pass out of, pour out of, flow out of; pass out of, evacuate.    exude, transude; leak, run through, out through; percolate, transcolate^†; egurgitate^†; strain, distill; perspire, sweat, drain, ooze; filter, filtrate; dribble, gush, spout, flow out; well, well out; pour, trickle, etc. (water in motion) 348; effuse, extravasate [Med.], disembogue^†, discharge itself, debouch; come forth, break forth; burst out, burst through; find vent; escape etc. 671.    ... show more

Pass through.

synonyms: percolate, permeate, sink in.

Run or flow slowly, as in drops or in an unsteady stream.

synonyms: dribble, trickle.

Dutch: kwijlen, druppelen