filter

名词 n. 动词 v.
中文释义
英 /ˈfɪltə/    美 /ˈfɪltɚ/

英文释义

名词 n.
  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.
    — Then add four drops of crocodile semen, and pass the mixture through a filter.
  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.
  4. Self-restraint in speech. figuratively
    — He's got no filter, and he's always offending people as a result.
  5. A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets).
    — 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.
  6. A translucent object placed in the light path of a camera to remove certain wavelengths (colors), or a computer program that simulates such an effect.
  7. An appearance-altering digital image effect.
    — He don't need no filter posting pictures!
动词 v.
  1. To sort, sift, or isolate. transitive
    — This strainer should filter out the large particles.
  2. To diffuse; to cause to be less concentrated or focused. transitive
    — The leaves of the trees filtered the light.
  3. To pass through a filter or to act as though passing through a filter. intransitive
    — The water filtered through the rock and soil.
  4. To move slowly or gradually; to come or go a few at a time. intransitive
    — The crowd filtered into the theater.
  5. To ride a motorcycle between lanes on a road intransitive
    — I can skip past all the traffic on my bike by filtering.
  6. To be discouraged where a connoisseur or hardcore fan would not. derogatory,intransitive,slang
    — Most people get filtered by that episode.

词形变化

filters plural filters present,singular,third-person filtering participle,present filtered participle,past filtered past

词汇关系

反义词
ideal
下位词
air filter Christiansen filter cigarette filter fuel filter glare filter Great Filter intent filter oil filter Sobel filter sun filter ultrafilter
衍生词
alpha-beta filter Bayer filter biofilter bitfilter Bloom filter bogon filter bozo filter Butterworth filter chemofilter clear-filter comb filter diafilter diesel particulate filter dust filter electrofilter filter bank filter bed filter bubble filter cake filter card filter coffee filter down filter-feeder filter feeder filter funnel filtergram filter in turn filter lane filterless filterlike filterman filtermat filter pad filter paper filterplate filterset filter tip filtertop filter tube filter up filterware filtrand filtrate Gabor filter Gooch filter Great Filter haemofilter hemofilter highpass filter interference filter interfilter intrafilter Kalman filter killfilter leukofilter LMS filter microfilter minifilter Mitchell-Netravali filter modal filter multifilter nanofilter nonfilter notch filter ultrafilter Ormsby filter piss filter pop filter portafilter Savitzky-Golay filter superfilter water filter Wiener filter wordfilter overfilter refilter subfilter underfilter unfilter defilter filterability filterable filterer misfilter postfilter prefilter
相关词
filtrate filtration filtride

词源

词源 1
From Middle English filtre, from Medieval Latin filtrum (compare also Old French feutre (“felt; filter”)), from Frankish *filtir, from Proto-West Germanic *felt. See felt. Doublet of phin.
词源 2
From Middle English filtre, from Medieval Latin filtrum (compare also Old French feutre (“felt; filter”)), from Frankish *filtir, from Proto-West Germanic *felt. See felt. Doublet of phin.
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