what is a filter do?

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    Filters ... takes and collects the stuff you don't want somewhere else.1

    a : a porous article or mass (as of paper or sand) through which a gas or liquid is passed to separate out matter in suspension b : an apparatus containing a filter medium


    a : a device or material for suppressing or minimizing waves or oscillations of certain frequencies (as of electricity, light, or sound) b : a transparent material (as colored glass) that absorbs light of certain wavelengths or colors selectively and is used for modifying light that reaches a sensitized photographic material —called also color filter


    : something that has the effect of a filter (as by holding back elements or modifying the appearance of something) <his work is too often viewed through the filter of race — Brent Staples>


    : software for sorting or blocking access to certain online material

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    Examples of FILTER

    She smokes cigarettes with filters.He placed a red filter on the camera filters that stop high-frequency sounds

    Origin of FILTER

    Middle English filtre, from Medieval Latin filtrum piece of felt used as a filter, of Germanic origin; akin to Old High German filz felt — more at feltFirst Known Use: 1563

    Other Chemical Engineering Terms

    alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

    Rhymes with FILTER

    jilter, kilter, philter, quilter, tilter

    Learn More About FILTER

    Thesaurus: All synonyms and antonyms for "filter"

    Spanish-English Dictionary: Translation of "filter"

    Medical Dictionary: Definition of "filter" Encyclopedia article about "filter"


    Next Word in the Dictionary: filterable
    Previous Word in the Dictionary: fils (noun)
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