'Filter' definitions:

Definition of 'filter'

(from WordNet)
noun
Device that removes something from whatever passes through it
noun
An electrical device that alters the frequency spectrum of signals passing through it
verb
Remove by passing through a filter; "filter out the impurities" [syn: filter, filtrate, strain, separate out, filter out]
verb
Pass through; "Water permeates sand easily" [syn: percolate, sink in, permeate, filter]
verb
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, filter]

Definition of 'Filter'

From: GCIDE
  • Filter \Fil"ter\, v. t. [imp. & p. p. Filtered; p. pr. & vb. n. Filtering] [Cf. F. filter. See Filter, n., and cf. Filtrate.] To purify or defecate, as water or other liquid, by causing it to pass through a filter. [1913 Webster]
  • Filtering paper, or Filter paper, a porous unsized paper, for filtering. [1913 Webster]

Definition of 'Filter'

From: GCIDE
  • Filter \Fil"ter\, n. [F. filtre, the same word as feutre felt, LL. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. See Feuter.] Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. [1913 Webster]
  • Filter bed, a pond, the bottom of which is a filter composed of sand gravel.
  • Filter gallery, an underground gallery or tunnel, alongside of a stream, to collect the water that filters through the intervening sand and gravel; -- called also {infiltration gallery}. [1913 Webster]

Definition of 'Filter'

From: GCIDE
  • Filter \Fil"ter\, v. i. To pass through a filter; to percolate. [1913 Webster]

Definition of 'Filter'

From: GCIDE
  • Filter \Fil"ter\, n. Same as Philter. [1913 Webster]