Compression
# Compression

Compression may refer to:

## Physical science

* Compression (physics), size reduction due to forces
* Compression member, a structural element such as a column
* Compressibility, susceptibility to compression
* Gas compression
* Compression ratio, of a combustion engine
* Compression (geology)
* Compression or compressive strength

## Information science

* Data compression, reducing the data required for information
* Audio compression (data), reducing the data required for audio
* Bandwidth compression
* Compression artifact, defect in data due to compression
* Image compression, of digital images
* Video compression
* One-way compression function, a cryptographic primitive
* Dynamic range compression, reducing audio dynamic range

## Medicine

* Brain compression, a medical condition
* Compression bandage
* Pressing on the lower abdominal area in an intravenous pyelogram
* Cold compression therapy, for minor injuries

## Other

* Amplifier gain compression, due to nonlinearity
* Compression (dance), several techniques
* Compression (functional analysis)
* Compression (phonetics), running syllables together
