plural of filter funnel

simple past tense and past participle of fill out

Of a liquid; to move slowly down to lower substrate levels. / (idiomatic) (by extension) Of information, or resources; to move slowly down to lower levels of an organisation, or population.

A filter of trapezoidal shape specified by four corner frequencies, f1 through f4. The filter rejects below f1 and above f4, is linear from f1 to f2 and from f3 to f4, and is flat from f2 to f3.

The technological and commercial institutions of filmmaking.

(broadcasting) Music broadcast as an interlude between formally scheduled programming, or to fill in during an unscheduled interruption, in order to forestall listener abandonment of the station.

(film) The group of people, excluding the cast and producers, who are hired by a film company to make a film.

(idiomatic) Alternative form of fit the bill

(computing) A table used internally by the operating system to keep track of the structure of a disk and where files are stored on it.

(slang) Any device that limits or suppresses the flow of bogons. / (slang, humorous) An imaginary device capable of preventing high-bogosity material from reaching its destination.