ˈ ̷ ̷ ̷ ̷ˌfī(ə)r, īə noun
( -s )
: one that clarifies: as
a. : one that filters a substance (as paint, varnish, or wine) to remove impurities
b. : one that purifies oleo stock by straining and skimming it while it is heated in a tank
c. : one that changes the filters that strain cellulose solution before it is spun into rayon yarn or made into transparent wrapping material — called also filterer