Question

define filter define filter​

Answer 1

Explanation:

a porous device for removing impurities or solid particles from a liquid or gas passed through it.

"an oil filter"

Answer 2

Answer:

1a : a porous article or mass (as of paper or sand) through which a gas or liquid is passed to separate out matter in suspension. b : an apparatus containing a filter medium. 2a : a device or material for suppressing or minimizing waves or oscillations of certain frequencies (as of electricity, light, or sound)