Pumping may refer to:
* The operation of a
pump
A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into hydraulic energy. Pumps can be classified into three major groups according to the method they u ...
, for moving a liquid from one location to another
**The use of a
breast pump
A breast pump is a mechanical device that lactating women use to extract milk from their breasts. They may be manual devices powered by hand or foot movements or automatic devices powered by electricity.
History
On June 20, 1854, the Unit ...
for extraction of milk
*
Pumping (audio)
In audio, recording, and music, pumping or gain pumping is a creative misuse of compression, the "audible unnatural level changes associated primarily with the release of a compressor." There is no ''correct'' way to produce pumping, and according ...
, a creative misuse of dynamic range compression
*
Pumping (computer systems)
Pumping, when referring to computer systems, is an informal term for transmitting a data signal more than one time per clock signal.
Overview
Early types of system memory (RAM), such as SDRAM, transmitted data on only the rising edge of the cloc ...
, the number of times data is transmitted per clock cycle
*
Pumping (oil well)
In the context of oil wells, pumping is a routine operation involving injecting fluids into the well. Pumping may either be done by rigging up to the kill wing valve on the Xmas tree or, if an intervention rig up is present pumping into the riser ...
, injecting chemicals into a wellbore
*
Pumping (noise reduction)
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an und ...
, an unwanted artifact of some noise reduction systems
*
Pumping lemma In the theory of formal languages, the pumping lemma may refer to:
*Pumping lemma for regular languages, the fact that all sufficiently long strings in such a language have a substring that can be repeated arbitrarily many times, usually used to pro ...
, in the theory of formal languages
*
Gastric lavage
Gastric lavage, also commonly called stomach pumping or gastric irrigation, is the process of cleaning out the contents of the stomach. Since its first recorded use in early 19th century, it has become one of the most routine means of eliminating ...
, cleaning the contents of the stomach
*
Optical pumping
Optical pumping is a process in which light is used to raise (or "pump") electrons from a lower energy level in an atom or molecule to a higher one. It is commonly used in laser construction to pump the active laser medium so as to achieve populat ...
, in which light is used to raise electrons from a lower energy level to a higher one
*
Pump (skateboarding) {{single source, date=February 2019
Pumping is a skateboarding technique used to accelerate without the rider's feet leaving the board. Pumping can be done by turning or on a transition, like a ramp or quarter pipe.https://skateboarding.transworl ...
, accelerating without pushing off of the ground
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"Pumping" (My Heart), a 1976 song by Patti Smith Group
{{disambiguation