The term filter may refer to:

• In chemistry, engineering, or household usage, a device to separate mixtures. See
  • filter (chemistry)
  • filter (water)
  • filter (air)
  • filter (oil)
  • pneumatic filter
  • cigarette filter.
• In optics and photography, a device to remove or block certain wavelengths (colors) of light. See
  • filter (optics)
  • filter (photography)
  • infrared filter
• In signal processing applications such as telecommunications and music, an electronic or mechanical device, or mathematical algorithm, to modify the harmonic content of signals. See
  • electronic filter
  • audio filter.
• In computing, a program to process a data stream. See
  • filter (software)
  • filter (Unix)
  • mail filter
  • Internet filter
  • lameness filter.
• In mathematics, a certain kind of subset of a partially ordered set. See
  • filter (mathematics).
• In psychology, a type of learning blockage. See
  • affective filter.

Filter may also be the name of:

• Filter (band), an industrial rock band
• Filter (television), a show on the G4 channel:
• Filter (magazine), an off-beat indie music magazine

See also

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• Filter coffee, a hot drink
• Filter feeder, an animal that strains food particles from water
• Philter, a magical potion
• Filtration
• Conversion

More on [ Filter ]

Proxying and Filtering - Twitter Search

I despise the forced proxying, port filtering, and IDS of texas state university's free wifi. I can't even ssh. Why would you block 22?
pigmonger (pigmonger) Mon, 03 Aug 2009 18:31:39 -0000
I despise the forced proxying, port filtering, and IDS of texas state university's free wifi. I can't even ssh. Why would you block 22?

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