- the act of compressing.
- the state of being compressed.
- the effect, result, or consequence of being compressed.
- (in internal-combustion engines) the reduction in volume and increase of pressure of the air or combustible mixture in the cylinder prior to ignition, produced by the motion of the piston toward the cylinder head after intake.
- Also called data compression. Computers. reduction of the storage space required for data by changing its format.
Origin of compression
Examples from the Web for compression
A short-story writer (his “The Evils of Spain” could be read along with this book), Pritchett was a master of compression.Book Bag: Paul Theroux’s Favorite Inner-Journey Travel Books
May 14, 2013
Allen Guelzo's new history of the civil war, Fateful Lightning, is a masterpiece of compression.David's Book Club: Fateful Lightning
January 19, 2013
He insisted they were just the result of “literary license” and “compression,” suggesting Relin was complicit.The Death of Co-Author of ‘Three Cups of Tea’ Is Ruled Suicide
December 6, 2012
The necessary heat in this case is produced by the compression of air.The Story of a Tinder-box
Charles Meymott Tidy
That,” said Fred Sanders, with a compression of the lips, “has settled it forever.Adrift on the Pacific
Edward S. Ellis
The resistance of a body to compression does not depend upon its hardness.
A compression spring of this kind has a very wide range of movement.
The progress must be slower, if anything, and with the compression working as a brake.The White Desert
Courtney Ryley Cooper
- Also called: compressure (kəmˈprɛʃə) the act of compressing or the condition of being compressed
- an increase in pressure of the charge in an engine or compressor obtained by reducing its volume
Word Origin and History for compression
c.1400, from Middle French compression (14c.), from Latin compressionem (nominative compressio) "a pressing together," noun of action from past participle stem of comprimere (see compress (v.)). Related: Compressional. Compressional wave is attested from 1887.
- The state of being compressed.
- A force that tends to shorten or squeeze something, decreasing its volume.
- The degree to which a substance has decreased in size (in volume, length, or some other dimension) after being or while being subject to stress. See also strain.
- The re-encoding of data (usually the binary data used by computers) into a form that uses fewer bits of information than the original data. Compression is often used to speed the transmission of data such as text or visual images, or to minimize the memory resources needed to store such data.
See data compression.