/ fɪltər /
Množina reči filter je filters.
ETYM French filtre, the same word as feutre felt, Late Lat. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. Related to Feuter.
(Homonym: philter, philtre).
1. Alters the frequency spectrum of signals passing through it.
2. Removes something from whatever passes through it.