Filter

Noun

 * 1) A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another.
 * 2) Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.
 * 3) Any item, mechanism, device or procedure that acts to separate or isolate.
 * 4) * He runs an email filter to catch the junk mail.
 * 5) A proper subset of a poset A, which subset includes an element less than both of every pair of its members, and includes every element more than each of its members.
 * The collection of cofinite subsets of ℝ is a filter under inclusion: it includes the intersection of every pair of its members, and includes every superset of every cofinite set.

Verb

 * 1)  To sort, sift, or isolate.
 * 2) * This strainer should filter out the large particles.
 * 3)  To diffuse; to cause to be less concentrated or focused.
 * 4) * The leaves of the trees filtered the light.
 * 5)  To pass through a filter or to act as though passing through a filter.
 * 6) * The water filtered through the rock and soil.
 * 7)  To move slowly or gradually; to come or go a few at a time.
 * 8) * The crowd filtered into the theater.
 * 9)  To ride a motorcycle between lanes on a road
 * 10) * I can skip past all the traffic on my bike by filtering.

Synonyms for Filter

 * to filter out (something)
 * strain, purify, clarify, separate, refine, infiltrate, settle, screen.

Derived terms

 * air filter
 * fuel filter
 * oil filter
 * glare filter

Thesaurus
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

Etymology
(noun) From filtrum, from West Germanic *filtiz.

Noun

 * Dutch:
 * Finnish: ,
 * French: filtre
 * German:
 * Italian:
 * Japanese: (, rokaki),  (firutā)
 * Latvian:, kāstuve


 * Polish:
 * Russian:
 * Spanish:
 * Swahili:
 * Swedish:
 * Vietnamese: máy lọc


 * Dutch:
 * Finnish: ,
 * French: filtre
 * German:
 * Japanese: (, rohaki),  (firutā)
 * Latvian:


 * Polish:
 * Russian:
 * Swahili:
 * Swedish:
 * Vietnamese: bộ lọc


 * Dutch:
 * Finnish: ,
 * French: filtre
 * German:
 * Japanese:
 * Latvian:, kāstuve


 * Polish:
 * Russian:
 * Swahili:
 * Swedish:
 * Vietnamese: cái lọc (physical); bộ lọc (electronic)


 * Polish:


 * : filtre


 * : filtro

Verb

 * Dutch: filteren
 * Esperanto:
 * Finnish: suodattaa, siivilöidä , erottaa
 * German:
 * Italian:
 * Latvian: filtrēt, kāst


 * Polish: filtrować
 * Russian:
 * Spanish:
 * Swahili: chungi
 * Swedish:
 * Vietnamese:


 * Finnish:
 * German:


 * Polish: rozpraszać, rozproszyć
 * Swahili:


 * Dutch: sijpelen, filteren
 * Finnish:, ,
 * German:
 * Italian:
 * Latvian: filtrēties
 * Polish: przenikać, przeniknąć, sączyć się


 * Russian: фильтроваться (fil'trovát's'a), просачиваться (prosáčivat's'a), просочиться (prosočít's'a)
 * Spanish: filtrarse
 * Swahili:
 * Swedish:
 * Vietnamese: ngấm qua; thấm qua; thấm vào, xâm nhập


 * Dutch: sijpelen,
 * Finnish: ,
 * German: ,


 * Polish: napływać, sączyć się
 * Swahili:


 * : filtrer

Related terms

 * filtrate
 * filtration
 * filtride

Anagrams

 * lifter
 * trifle

Noun

 * 1) filter

Noun

 * 1) filter

Anagrams

 * flirte

Alternative forms

 * fìltar

Noun

 * 1) filter

Noun

 * 1) A filter.