filter

6 ENTRIES FOUND:

1fil·ter

noun \ˈfil-tər\

Definition of FILTER

1
: a porous article or mass (as of paper or sand) through which a gas or liquid is passed to separate out matter in suspension
2
: an apparatus containing a filter medium
3
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

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