to filter, to strain

filtration, filtering, percolation

filter paper

filtrate

filtered water, drainage

follicle (esp. an ovarian follicle)

filtrand, filter residue, residue

filter medium, filter material

water filter, strainer, colander

strainer, sieve

cloth strainer, filter cloth

strainer, colander, filter

water filter

filter, wave filter

filter cloth

water filter, strainer, colander

filter bed

filter press

unfiltered (alcohol)

paper chromatography

filter paper disk

virus

wort filtration, lautering, sparging

paper electrophoresis

ultrafiltration

Graafian follicle

parafollicular cell

glaucoma filtration surgery