Free Dictionary

Free Dictionary

Home ×
Link Link Link Link

Search Result for "filter": 
Wordnet 3.0

NOUN (2)

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 (3)

1. remove by passing through a filter;
- Example: "filter out the impurities"
[syn: filter, filtrate, strain, separate out, filter out]

2. pass through;
- Example: "Water permeates sand easily"
[syn: percolate, sink in, permeate, filter]

3. run or flow slowly, as in drops or in an unsteady stream;
- Example: "water trickled onto the lawn from the broken hose"
- Example: "reports began to dribble in"
[syn: trickle, dribble, filter]


The Collaborative International Dictionary of English v.0.48:

Filter \Fil"ter\, v. t. [imp. & p. p. Filtered; p. pr. & vb. n. Filtering] [Cf. F. filter. See Filter, n., and cf. Filtrate.] To purify or defecate, as water or other liquid, by causing it to pass through a filter. [1913 Webster] Filtering paper, or Filter paper, a porous unsized paper, for filtering. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Filter \Fil"ter\, v. i. To pass through a filter; to percolate. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Filter \Fil"ter\, n. Same as Philter. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Filter \Fil"ter\, n. [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. [1913 Webster] 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. [1913 Webster]
WordNet (r) 3.0 (2006):

filter n 1: device that removes something from whatever passes through it 2: an electrical device that alters the frequency spectrum of signals passing through it v 1: remove by passing through a filter; "filter out the impurities" [syn: filter, filtrate, strain, separate out, filter out] 2: pass through; "Water permeates sand easily" [syn: percolate, sink in, permeate, filter] 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, filter]
Moby Thesaurus II by Grady Ward, 1.0:

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
The Jargon File (version 4.4.7, 29 Dec 2003):

filter n. [very common; orig. Unix] 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.
The Free On-line Dictionary of Computing (18 March 2015):

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]