AskDefine | Define filter

Dictionary Definition

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]

User Contributed Dictionary

see Filter

English

Pronunciation

  • (UK) /ˈfɪltə/, /"fIlt@/
  • (US) /ˈfɪltɚ/, /"fIlt@`/
  • Rhymes with: -ɪltə(r)

Etymology

(noun) From filtrum.

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.
    • He runs an email filter to catch the junk mail.

Translations

device for separating impurities from a fluid or other substance
  • Dutch: filter
  • Finnish: suodatin, suodin
  • German: Filter
  • Japanese: (, rokaki), (firutā)
  • Latvian: filtrs
  • Russian: фильтр (fil'tr)
  • Spanish: filtro
  • Swedish: filter
  • Vietnamese: máy lọc
electronics or software to separate unwanted signal
  • Dutch: filter
  • Finnish: suodatin, suodin
  • German: Filter
  • Japanese: (, rohaki), (firutā)
  • Latvian: filtrs
  • Russian: фильтр (fil'tr)
  • Swedish: filter
  • Vietnamese: bộ lọc
any device or procedure that acts to separate or isolate
  • Dutch: filter
  • Finnish: suodatin, suodin
  • German: Filter
  • Japanese: フィルター
  • Latvian: filtrs
  • Russian: фильтр (fil'tr)
  • Swedish: filter
  • Vietnamese: cái lọc (physical); bộ lọc (electronic)

Verb

  1. To sort, sift, or isolate.
    • This strainer should filter out the large particles.
  2. To diffuse; to cause to be less concentrated or focused.
    • The leaves of the trees filtered the light.
  3. To pass through a filter or to act as though passing through a filter.
    • The water filtered through the rock and soil.
  4. To move slowly or gradually; to come or go a few at a time.
    • The crowd filtered into the theater.

Synonyms

Translations

to sort, sift, or isolate
to diffuse
  • Finnish: hajottaa
  • German: filtern
to pass through a filter or to act as though passing through a filter
to come or go a few at a time
  • Dutch: sijpelen, druppelen
  • Finnish: tippua, valua
  • German: filtrieren, passieren

Danish

Noun

filter
  1. A filter.

Dutch

Noun

  1. A filter.

Swedish

Noun

filter
  1. A filter.

Extensive Definition

Filter may refer to:

Chemistry, engineering and materials

Optics and photography

Signal processing

Computing

Other

Proper name

See also

filter in Czech: Filtr
filter in Danish: Filter
filter in German: Filter
filter in Spanish: Filtro
filter in Persian: فیلتر
filter in French: Filtre
filter in Korean: 필터
filter in Italian: Filtro
filter in Hebrew: מסנן
filter in Dutch: Filter
filter in Norwegian: Filter
filter in Norwegian Nynorsk: Filter
filter in Polish: Filtr
filter in Portuguese: Filtro
filter in Russian: Фильтр (значения)
filter in Simple English: Filter (disambiguation)
filter in Finnish: Suodatin
filter in Swedish: Filter
filter in Chinese: Filter

Synonyms, Antonyms and Related Words

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
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