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]
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
Etymology
(noun) From filtrum.Noun
- 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.
- Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.
- 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
electronics or software to separate unwanted
signal
any device or procedure that acts to separate or
isolate
Verb
- To sort, sift, or isolate.
- This strainer should filter out the large particles.
- To diffuse; to cause
to be less concentrated or focused.
- The leaves of the trees filtered the light.
- To pass through a
filter or to act as though passing through a filter.
- The water filtered through the rock and soil.
- To move slowly or
gradually; to come or
go a few at a time.
- The crowd filtered into the theater.
Synonyms
- to filter out (something)
Translations
to sort, sift, or isolate
- Dutch: filteren
- Finnish: suodattaa i filter, siivilöidä i sift, erottaa i separate
- German: filtern
- Latvian: filtrēt
- Russian: фильтровать (fil'trovát')
- Spanish: filtrar
- Swedish: filtrera
- Vietnamese: lọc
to diffuse
- Finnish: hajottaa
- German: filtern
to pass through a filter or to act as though
passing through a filter
- Dutch: sijpelen, filteren
- Finnish: suodattua, siivilöityä, erottua
- German: filtrieren
- Latvian: filtrēties
- Russian: фильтроваться (fil'trovát's'a), просачиваться (prosáčivat's'a) , просочиться (prosočít's'a)
- Spanish: filtrarse
- Swedish: filtrera
- Vietnamese: ngấm qua; thấm qua; thấm vào, xâm nhập
to come or go a few at a time
- Dutch: sijpelen, druppelen
- Finnish: tippua, valua
- German: filtrieren, passieren
Related terms
Derived terms
Danish
Noun
filter- A filter.
Dutch
Noun
- A filter.
Swedish
Noun
filter- A filter.
Extensive Definition
Filter may refer to:
Chemistry, engineering and materials
- In chemistry, engineering, or household usage, a device to separate mixtures. See
Optics and photography
- In optics and photography, a device to remove or block certain wavelengths (colors) of light. See
Signal processing
- In signal
processing applications such as telecommunications and music,
an electronic or mechanical device, or mathematical algorithm, to
modify the harmonic content of signals. See
- electronic filter
- audio filter
- line filter
- See filtering problem (stochastic processes) for the mathematical formalism.
Computing
- In computing:
- filter (higher-order function)
- A program to process a data stream:
- BPF filter expression used in the qualification of network data
Other
- In mathematics, a certain kind of subset of a partially ordered set. See
- In psychology, a type of learning blockage. See
- In transportation, filtering forward, a practice that cyclists use to pass slow or stopped congested traffic.
Proper name
- Filter (band), an industrial rock band
- Filter (television), a show on the G4 channel:
- Filter (magazine), an off-beat indie music magazine
- Helicon Filter, a raster graphics editor
See also
- Filter coffee, a method for preparing coffee
- Filter feeder, an animal that strains food particles from water
- Philter, a magical potion
- Filtration
- Conversion
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