Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “filter”

filter

noun [C]    /ˈfɪl·tər/
a piece of equipment or a device for removing solids from liquids or gases, or for limiting the particular type of light, sound, or electricity going through it: an oil filter a coffee filter
(Definition of filter noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of filter

More American English definitions for “filter”

Definitions of “filter” in other dictionaries

Word of the Day

pump iron

to lift heavy weights for exercise

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More