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filter noun

  /ˈfɪltə/ , /ˈfɪltɚ/
  • 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.
  • (mathematics, order theory) A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets).
 filtre

filter verb

  /ˈfɪltə/ , /ˈfɪltɚ/
  • (transitive) To sort, sift, or isolate.
  • (intransitive) To pass through a filter or to act as though passing through a filter.
 filtrer

filtering

filtrage
digital filtering
filtrage numérique
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