A machine or engine used to compress gases or materials, such as a compactor or compression engine; also called [[压气机|壓氣機|ya1 qi4 ji1]].

the ratio of the maximum to minimum volume in the cylinder of an internal combustion engine

the property of a substance to decrease in volume when under pressure; compression

the process of reducing the size of a data file or stream, especially in computing and telecommunications

compressed biscuit or hardtack designed for long-term storage and portability

capable of being compressed; compressible or condensable

(computing) a method of data compression that involves the loss of some information to achieve smaller file sizes

A machine that draws in air from the atmosphere and compresses it to produce high-pressure air.

to simplify and condense a text; abridged

to decompress or decompression, especially in a computing context

to reduce or limit the volume of output, often to address oversupply or control market prices

compression; compressive force

(computing) a compressed archive file, such as a zip or rar file

a machine used to increase the pressure of gas by reducing its volume

Air stored in a container under higher than atmospheric pressure, used for vehicle braking or powering pneumatic tools