Meaning of FILTER in English

I. ˈfil-tər noun

Etymology: 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 felt

Date: 1563


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

3. : 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

4. : software for sorting or blocking access to certain online material

II. verb

( fil·tered ; fil·ter·ing -t(ə-)riŋ)

Date: 1576

transitive verb

1. : to subject to the action of a filter

2. : to remove by means of a filter

intransitive verb

1. : to pass or move through or as if through a filter

2. : to come or go in small units over a period of time

people began filter ing in

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.