filter

1. A colored glass or other transparent material used to select the wavelengths of light allowed to reach a photosensitive material.

2. A device containing such a material, especially one used to extract impurities from air or water.

3. A porous material through which a liquid or gas is passed in order to separate the fluid from suspended particulate matter.

4. Any of various electric, electronic, acoustic, or optical devices used to reject signals, vibrations, or radiations of certain frequencies while allowing others to pass.

5. Computer Science A program or routine that blocks access to data that meet a particular criterion: a Web filter that screens out vulgar sites.

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1. To subject to the action of a filter.

2. To remove by means of a filter.

3. To pass or move through or as if through a filter.

4. To come or go in small units over a period of time .

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1. To come or go gradually and in small groups: The audience filtered back into the hall.

2. To pass through or as if through a filter: Light filtered through the blinds.

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1. Computer Science To use a filter to block access to (a website or Web content).

2. To pass (a liquid or gas) through a filter.

3. To remove by passing through a filter: filter out impurities.

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Here are some other words you could make with the letters filter, you can also
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Top Words by points	Points	Word Game
filter	9	Scrabble

2 Letters	Scrabble® Points
te	2
re	2
ef	5
li	2
it	2
if	5
ti	2
el	2
er	2
et	2
fe	5

3 Letters	Scrabble® Points
fet	6
ref	6
rei	3
ret	3
rif	6
lit	3
lie	3
let	3
lei	3
ire	3
eft	6
elf	6
fer	6
fie	6
fil	6
tel	3
tie	3
til	3
fir	6
fit	6

4 Letters	Scrabble® Points
tirl	4
reft	7
reif	7
tref	7
riel	4
rife	7
rite	4
tire	4
tile	4
tier	4
lier	4
rift	7
rile	4
felt	7
file	7
lite	4
lire	4
lift	7
life	7
lief	7
left	7
fire	7
flir	7
flit	7
fret	7
frit	7

5 Letters	Scrabble® Points
filet	8
litre	5
filer	8
tiler	5
flier	8
rifle	8
relit	5
refit	8
flirt	8
flite	8
lifer	8
liter	5

6 Letters	Scrabble® Points
filter	9
lifter	9
trifle	9