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Definition of compression

compression

/kəmˈprɛʃ.ən/
com · pres · sion

Plural:compressions
•
Adjective:compressive
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compression Lexical Profile

compression Game Scores & Validity

• noun

1

The action of squeezing or pressing something together, or the state of being squeezed into a smaller space.

Example

"The extreme compression of rock layers deep beneath the Earth's crust leads to the formation of metamorphic stone."


2

The process of encoding digital data, audio, or video files using fewer bits so that they occupy less storage space or transmission bandwidth.

Example

"Lossless image compression reduces the file size significantly without sacrificing any visual quality."


3

The reduction in volume and consequent increase in pressure and temperature of an air-fuel mixture inside the cylinder of an internal combustion engine.

Example

"The mechanic performed a diagnostic test to check whether the engine's cylinders were losing compression."


4

The act of making a piece of writing, speech, or artistic expression more concise or condensed.

Example

"Poetry relies on the careful compression of language to convey complex emotions in just a few lines."

Synonyms
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Antonyms
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• Rhymes for compression

Word Origin & Etymology

Borrowed in the late 14th century from Old French compression, from Latin compressio ('a squeezing together'), derived from the verb comprimere ('to press together').

Cite this Entry


Wordmom. (2026). Definition of Compression. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/compression
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