filter
noun
[ ˈfɪltə ]
• a porous device for removing impurities or solid particles from a liquid or gas passed through it.
• "an oil filter"
• an arrangement whereby vehicles may turn left (or right) while other traffic waiting to go straight ahead or turn right (or left) is stopped by a red light.
• "a filter lane"
filter
verb
• pass (a liquid, gas, light, or sound) through a device to remove unwanted material.
• "the eye filters out ultraviolet radiation"
Similar:
sieve,
strain,
sift,
filtrate,
riddle,
clarify,
purify,
clear,
clean,
make pure,
refine,
treat,
process,
decontaminate,
• move slowly in a specified direction.
• "the players filtered out on to the pitch"
Similar:
seep,
percolate,
leak,
trickle,
ooze,
dribble,
bleed,
flow,
drain,
well,
exude,
escape,
leach,
Origin:
late Middle English (denoting a piece of felt): from French filtre, from medieval Latin filtrum ‘felt used as a filter’, of West Germanic origin and related to felt1.