The process of moving something to a centre, normally before some other process.
A type of formwork which serves as a temporary structure during the construction of arches and bridges.
The process by which data is compressed.
The cycle of an internal combustion engine during which the fuel and air mixture is compressed.
An increase in density; the act of compressing, or the state of being compressed; compaction.
The electronic process by which any sound's gain is automatically controlled.
The deviation of a heavenly body from a spherical form.