Compression
WordNet
noun
(1) Applying pressure
(2) Encoding information while reducing the bandwidth or bits required
(3) The process or result of becoming smaller or pressed together
"The contraction of a gas on cooling"
(4) An increase in the density of something
WiktionaryText
Noun
- to increase in density; the act of compressing, or the state of being compressed; compaction
- the cycle of an internal combustion engine during which the fuel and air mixture is compressed
- the process by which data is compressed
- the electronic process by which any sound's gain is automatically controlled