compression

noun

com·​pres·​sion kəm-ˈpre-shən How to pronounce compression (audio)
Synonyms of compressionnext
1
a
: the act, process, or result of compressing
b
: the state of being compressed
2
: the process of compressing the fuel mixture in a cylinder of an internal combustion engine (as in an automobile)
3
: the compressed remains of a fossil plant
4
: conversion (as of data, a data file, or a communications signal) in order to reduce the space occupied or bandwidth required
compressional adjective

Examples of compression in a Sentence

the compression of a long, complicated story into a two-hour movie is never easy
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Margins tightened under price compression. Sara Payan, Rolling Stone, 27 May 2026 To make matters worse, air sinks in such heat domes and can warm even more due to something called adiabatic compression. Marshall Shepherd, Forbes.com, 26 May 2026 Analysts on the company's quarterly call Tuesday were concerned about lackluster growth internationally and margin compression that was more in line with competitors. Michael Wayland, CNBC, 26 May 2026 At the rear, there’s a KYB shock with a 50-mm piston with high- and low-speed compression adjustment, rebound adjustment, and adjustable preload. New Atlas, 21 May 2026 See All Example Sentences for compression

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of compression was in the 15th century

Browse Nearby Words

Cite this Entry

“Compression.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/compression. Accessed 31 May. 2026.

Kids Definition

compression

noun
com·​pres·​sion kəm-ˈpresh-ən How to pronounce compression (audio)
1
: the act, process, or result of compressing : the state of being compressed
2
: the process of compressing the fuel mixture in the cylinders of an internal-combustion engine
compressional adjective

Medical Definition

compression

noun
com·​pres·​sion kəm-ˈpresh-ən How to pronounce compression (audio)
: the act, process, or result of compressing especially when involving a compressing force on a bodily part
compression of an artery by forceps
compression of the brain by the bones of a depressed fracture

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