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Noun filter has 2 senses
  1. filter - device that removes something from whatever passes through it
    --1 is a kind of     device
    --1 has particulars:
     air filter, air cleaner; bacteria bed; coffee filter; drain basket; filter bed; fuel filter; light filter, diffusing screen; oil filter; strainer; water filter; glass wool; diatomaceous earth, diatomite, kieselguhr
    Derived forms: verb filter1, verb filtrate1
  2. filter - an electrical device that alters the frequency spectrum of signals passing through it
    --2 is a kind of     electrical device
,Verb filter has 3 senses
  1. filter, filtrate, strain, separate out, filter out - remove by passing through a filter; "filter out the impurities"
    --1 is one way to separate
    Derived forms: noun filter1, noun filtration1, noun filtration2, noun filtrate1
    Sample sentences:
    Somebody ----s something
    Something ----s something
  2. percolate, sink in, permeate, filter - pass through; "Water permeates sand easily"
    --2 is one way to penetrate, perforate
    Derived forms: noun filtration1, noun filtration2
    Sample sentences:
    Something ----s
    Something is ----ing PP
  3. trickle, dribble, filter - 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"
    --3 is one way to run, flow, feed, course
    Sample sentence:
    Water and oil filter into the bowl
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