Compression
38808
224786939
2008-07-10T12:20:54Z
JAnDbot
1725149
robot Removing: io, ja, uk Modifying: da, fr, nl
{{wiktionarypar|compression|compressor}}
'''Compression''' may refer to:
In '''physical science''':
*[[Physical compression]], the result of the subjection of a material to compressive stress (the opposite of tension)
**[[Compression member]], a class of structural elements, of which a column is the most common specific example
** Compressibility, the reciprocal of the [[bulk modulus]] (typically for solids)
*[[Gas compression]], raising the pressure and reducing the volume of gases
**[[Compression ratio]], a number that predicts the performance of any internal-combustion engine
** [[Compressibility]], a measure of volume change resulting from pressure (typically for fluids)
*[[Compression (geology)]], a system of forces that tend to decrease the volume of or shorten rocks
In '''information science''':
*[[Data compression]], the process of encoding information using fewer bits
**[[Image compression]]
**[[Audio data compression]]
**[[Video compression]]
***[[Compression artifact]], noticeable defects in audio or video that has been compressed
**[[Bandwidth compression]], in telecommunications
*[[Gain compression]], in electronic amplifiers, a result of device non-linearity
*[[Audio level compression]], usually artificially introduced gain compression to improve the perceived quality of audio
In '''other sciences and technologies''':
*Compression, in [[zoology]] and [[paleontology]], refers to when an animal, or part of an animal, is shorter or narrower compared with other animals in the same group; e.g. the body of a lizard may be ''compressed'' (flattened) so it can better fit into crevices under rocks
*[[Compression (functional analysis)]], in mathematics
*[[Bandage#Compression bandage|Compression bandage]], designed to reduce the flow of blood
==See also==
*[[Compressor]] (disambiguation)
*[[compress]], a UNIX program
*[[Compaction]]
*[[Decompression]]
*[[Expansion]]
*[[Compression shorts]]
{{disambig}}
[[cs:Komprese]]
[[da:Komprimering]]
[[de:Kompression]]
[[fr:Compression]]
[[ko:압축]]
[[it:Compressione]]
[[nl:Compressie]]
[[pl:Kompresja]]
[[pt:Compressão]]
[[ru:Сжатие]]