filter

Meanings

1. 1
   noun

   A device that removes unwanted things from a liquid, gas, or other substance passing through it.

   The water filter removes dirt and makes the water safe to drink.

2. 2
   verb

   To pass something through a device to remove unwanted parts.

   This machine filters out the impurities from the oil.

3. 3
   noun

   A digital effect that changes the look of a photo or video.

   She added a bright filter to her holiday photo.

4. 4
   verb

   To sort or select items so only the ones you want remain.

   You can filter the search results by price.

From Middle English filtre, from Medieval Latin filtrum (compare also Old French feutre (“felt; filter”)), from Frankish *filtir, from Proto-West Germanic *felt. See felt. Doublet of phin.

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