|
The term filter may refer to:
Filter (chemistry) — a device to separate
mixtures
Filter (mathematics) — a certain kind of
subset of a partially ordered set
Filter program — in Unix, any program with standard I/O streams.
Any software that processes a data stream (e.g. mail filter, printer filter, Internet filter)
Filter (signal processing) — a
device or algorithm for signal processing (e.g. audio filter)
Filter (optics) and filter (photography) (e.g. infrared
filter, ND filter, UV filter) — a device that blocks certain
wavelength ranges of light
Filter (band) — a 1990s industrial rock band
Filter (water) — a device to physically separate
impurities from water
Filter (part) — a device that provides a physical barrier to unwanted impuries (e.g. oil filter, lint filter)
Pneumatic filter — a device to filter air
|
