Here you will find one or more explanations in English for the word compression. Also in the bottom left of the page several parts of wikipedia pages related to the word compression and, of course, compression synonyms and on the right images related to the word compression.
Compression
Compression Com*pres"sion, n. [L. compressio: cf. F.
compression.]
The act of compressing, or state of being compressed.
``Compression of thought.' --Johnson.