Meaning of “filter” - Learner’s Dictionary


verb us uk /ˈfɪltər/

[ T ] to pass a liquid or gas through a piece of equipment in order to remove solid pieces or other substances:

The water was filtered to remove any impurities.
filter down/in/through, etc

to gradually appear or become known:

The sunlight filtered through the bedroom curtains.
News is filtering in of an earthquake in Mexico.

(Definition of “filter verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)