Student Dictionary

6 entries found for filter.
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Main Entry: 1fil·ter
Pronunciation: primarystressfil-tschwar
Function: noun
1 : a substance with pores through which a gas or liquid is passed to separate out floating matter
2 : a device containing a filter
3 : a transparent material (as colored glass) that absorbs light of some wavelengths and is used to change light (as in photography)

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