compression

名词 compression:

1. an increase in the density of something
   同义词：compaction, concretion, densification
2. the process or result of becoming smaller or pressed together
   同义词：condensation, contraction
3. encoding information while reducing the bandwidth or bits required
4. applying pressure
   同义词：compressing

1. A physical sensation produced by compression of a part of the body.
   压迫感身体上某一部分由压迫而引起的生理上的感觉
2. The application of continuous force by one body on another that it is touching; compression.
   压紧，压缩相靠着的物体中其中一物对另一物的连续挤压式的涂敷；

com.pres.sion

n.（名词）

The act or process of compressing.
压缩：压缩的过程或行为
The state of being compressed.
浓缩：被压缩的状态

The process by which the working substance in a heat engine, such as the vapor mixture in the cylinder of an internal-combustion engine, is compressed.
工作物质在热机中的压缩过程，如内燃机中混合蒸汽的压缩
The engine cycle during which this process occurs.
压缩周期：上述机器压缩过程的周期

【引伸】
compres.sional
adj.（形容词）