filter

nouns

device that removes something from whatever passes through it

filter

is derived from

is a type of (narrower)

an instrumentality invented for a particular purpose

"the device is small enough to wear on your wrist"; "a device intended to conserve water"

an electrical device that alters the frequency spectrum of signals passing through it

filter

is a type of (narrower)

a device that produces or is powered by electricity

remove by passing through a filter

"filter out the impurities"

filter, filter out, filtrate, separate out, strain

is derived from

is derived from

is derived from

pass through

"Water permeates sand easily"

filter, percolate, permeate, sink in

is derived from

is derived from

run or flow slowly, as in drops or in an unsteady stream

"water trickled onto the lawn from the broken hose"; "reports began to dribble in"

dribble, filter, trickle