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  • Definition
    • filter : 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.

      • filter : Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.

        • filter : Any item, mechanism, device or procedure that acts to separate or isolate.

          • filter : in speech.

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          • Derivative