 |
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Filter \Fil"ter\, noun [F. filtre, the same word as feutre felt, LL. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. See {Feuter}.] 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.
{Filter bed}, a pond, the bottom of which is a filter composed of sand gravel.
{Filter gallery}, an underground gallery or tunnel, alongside of a stream, to collect the water that filters through the intervening sand and gravel; -- called also {infiltration gallery}.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Filter \Fil"ter\, verb (used with an object) [imp. & p. p. {Filtered}; p. pr. & vb. n. {Filtering}] [Cf. F. filter. See {Filter}, noun, and cf. {Filtrate}.] To purify or defecate, as water or other liquid, by causing it to pass through a filter.
{Filtering paper}, or {Filter paper}, a porous unsized paper, for filtering.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Filter \Fil"ter\, verb (used without an object) To pass through a filter; to percolate.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Filter \Fil"ter\, noun Same as {Philter}.
From WordNet (r) 2.0 [wn]:
filter
noun
1: device that removes something from whatever passes through it
2: an electrical device that alters the frequency spectrum of signals passing through it
verb
1: remove by passing through a filter; "filter out the impurities" [syn: {filtrate}, {strain}, {separate out}, {filter out}]
2: pass through; "Water permeates sand easily" [syn: {percolate}, {sink in}, {permeate}]
3: 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" [syn: {trickle}, {dribble}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
87 Moby Thesaurus words for "filter": bleed, bolt, butterfly, cheesecloth, clarifier, clarify, clean, clear, cloth, colander, condense, cradle, cribble, decrassify, depurate, diffusing screen, discharge, distill, drain, dribble, drip, dripple, drop, edulcorate, effuse, eliminate, elute, emit, essentialize, exclude, excrete, exfiltrate, extract, extravasate, exudate, exude, filtrate, frosted glass, frosted lens, gauze, gelatin filter, give off, ground glass, gurgle, leach, lens hood, light filter, lixiviate, lixiviator, membrane, ooze, pass through, percolate, percolator, purifier, purify, rectify, reek, refine, refiner, refinery, riddle, rocker, run through, screen, seep, separate, sieve, sift, sifter, smoked glass, spiritualize, spurtle, stained glass, strain, strainer, sublimate, sublime, transude, trickle, try, weed out, weep, winnow, winnowing basket, winnowing fan, winnowing machine
From Jargon File (4.3.1, 29 Jun 2001) [jargon]:
filter n. [very common; orig. {{Unix}}, now also in {{MS-DOS}}] A program that processes an input data stream into an output data stream in some well-defined way, and does no I/O to anywhere else except possibly on error conditions; one designed to be used as a stage in a 'pipeline' (see {plumbing}). Compare {sponge}.
From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:
filter
1. (Originally {Unix}, now also {MS-DOS}) A program that processes an input data stream into an output data stream in some well-defined way, and does no I/O to anywhere else except possibly on error conditions; one designed to be used as a stage in a {pipeline} (see {plumbing}). Compare {sponge}. 2. ({functional programming}) A {higher-order function} which takes a {predicate} and a list and returns those elements of the list for which the predicate is true. In {Haskell}: filter p [] = [] filter p (x:xs) = if p x then x : rest else rest where rest = filter p xs See also {filter promotion}. [{Jargon File}]
 |
Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. - KM |