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

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
 * Dynamic range compression, reducing audio dynamic range