Filter

The term filter may refer to:

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• A device to separate mixtures. See filter (chemistry), filter (water), filter (air), pneumatic filter.
• A device to remove or block certain wavelengths (colors) of light. See filter (optics), filter (photography), infrared filter
• A computer program to process a data stream. See filter (software), filter (Unix), mail filter, printer filter, Internet filter, lameness filter.
• An electronic or mechanical device, or mathematical algorithm, for affecting the harmonic content of signals. See electronic filter, signal processing, audio filter.
• In mathematics, a certain kind of subset of a partially ordered set. See filter (mathematics)
Filter: See also ►




Filter related Images and Photos (experimental)

Filter - Guns Up

Micrograph of a Dandelion Stigma in Uv Light (Taraxacum Hollandicum). Confocal Dapi Filter X80

Leptospira Interrogans Is a Spiral-Shaped Bacteria Seen on a Membrane Filter