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.
Language can also be "blocked" or "filtered"; it "fossilizes" or "transfers" or "mixes" sometimes.
Nodes of most interest are filtered for visualisation, geometrically enlarged, semantically zoomed and shown in tree context of relevantly selected other nodes.
The material was left standing for 30 min and was then filtered to collect the heavy precipitate.
They were brought to room temperature, filtered and in the case of plant sap the volume was measured.
Digitally filtered molecular dynamics : the frequency specific control of molecular dynamics simulations.
For any particular observation, the overall matrix is filtered to create a submatrix matching those observations that are present.
For example, all limits and all filtered colimits of iterative algebras are iterative.
Therefore, filtered colimits of 'classical' algebras are created by the forgetful functor.