1. filter(n = noun.artifact) - device that removes something from whatever passes through it;
is a kind of device
has particulars: air cleaner, air filter, bacteria bed, coffee filter, drain basket, filter bed, fuel filter, diffusing screen, light filter, oil filter, strainer, water filter, glass wool, diatomaceous earth, diatomite, kieselguhr
Derived forms verb filter1, verb filtrate1
2. filter(n = noun.artifact) - an electrical device that alters the frequency spectrum of signals passing through it;
is a kind of electrical device
has particulars: high-pass filter, low-pass filter
1. filter(v = verb.contact) filter out, filtrate, separate out, strain - remove by passing through a filter; "filter out the impurities"
is one way to separate
Derived forms noun filter1, noun filtrate1, noun filtration2, noun filtration1
Sample sentences:
Somebody ----s something; Something ----s something
2. filter(v = verb.contact) percolate, permeate, sink in - pass through; "Water permeates sand easily"
is one way to penetrate, perforate
Derived forms noun filtration2, noun filtration1
Sample sentences:
Something ----s; Something is ----ing PP
3. filter(v = verb.motion) dribble, trickle - run or flow slowly, as in drops or in an unsteady stream; "water trickled onto the lawn from the broken hose"; "reports began to dribble in"
is one way to course, feed, flow, run
Sample sentences:
Water and oil filter into the bowl
Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. [1913 Webster]
To purify or defecate, as water or other liquid, by causing it to pass through a filter. [1913 Webster]
To pass through a filter; to percolate. [1913 Webster]
Same as Philter. [1913 Webster]
filter, n. & v.
--n.
1 a porous device for removing impurities or solid particles from a liquid or gas passed through it.
2 = filter tip.
3 a screen or attachment for absorbing or modifying light, X-rays, etc.
4 a device for suppressing electrical or sound waves of frequencies not required.
5 Brit. a an arrangement for filtering traffic. b a traffic-light signalling this.
--v.intr. & tr.
1 pass or cause to pass through a filter.
2 (foll. by through, into, etc.) make way gradually.
3 (foll. by out) leak or cause to leak.
4 Brit. allow (traffic) or (of traffic) be allowed to pass to the left or right at a junction while traffic going straight ahead is halted (esp. at traffic lights).
Idiom:
filter-bed a tank or pond containing a layer of sand etc. for filtering large quantities of liquid. filter-paper porous paper for filtering. filter tip
1 a filter attached to a cigarette for removing impurities from the inhaled smoke.
2 a cigarette with this. filter-tipped having a filter tip.
Etymology:
F filtre f. med.L filtrum felt used as a filter, f. WG
N cleanness, cleanliness, purity, cleaning, purification, defecation, purgation, lustration, detersion, abstersion, epuration, mundation, ablution, lavation, colature, disinfection, drainage, sewerage, lavatory, laundry, washhouse, washerwoman, laundress, dhobi, laundryman, washerman, scavenger, dustman, sweep, white wings brush, 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, disinfectant, aperient, benzene, benzine benzol, benolin, bleaching powder, chloride of lime, dentifrice, deobstruent, laxative, clean, cleanly, pure, immaculate, spotless, stainless, taintless, trig, without a stain, unstained, unspotted, unsoiled, unsullied, untainted, uninfected, sweet, sweet as a nut, neat, spruce, tidy, trim, gimp, clean as a new penny, like a cat in pattens, cleaned, kempt, abstergent, cathartic, cleansing, purifying, neatly, clean as a whistle.
VB be clean, render clean, 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, 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, make a clean sweep of.
N sponge, honeycomb, network, frit, filter, sieve, net, screen (opening), cellular, spongy, spongious, honeycombed, alveolar, sintered, porous (opening).
VB 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, effuse, extravasate, disembogue, discharge itself, debouch, come forth, break forth, burst out, burst through, find vent, escape.
air filter, centrifugal filter, coffee filter, filter bed, filter in, filter out, filter paper, filter tip, fuel filter, high-pass filter, light filter, low-pass filter, oil filter, water filter