0 past simple and past participle of filter --
2 to remove solids from liquids or gases, or to remove particular types of light, using special equipment: --
The water is filtered to remove any impurities.
Devices in the two chimneys would filter (out) (= remove) radioactive dust.
The software is well suited to small mobile phone screens because it filters out unnecessary information.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.