compression
//kəmˈprɛʃən//
Noun
compressionSingular
compressionsPlural
1
The action or process of pressing something into a smaller space or reducing its volume by applying pressure.
The compression of the gas in the cylinder generates heat.
2
The reduction in the size of digital data by encoding it using fewer bits than the original representation.
File compression reduces the amount of storage space needed.
3
The phase in an internal combustion engine cycle when the fuel-air mixture is compressed before ignition.
The engine lost power because of a problem during the compression stroke.