1 compression | Definition of compression

compression

noun
com·​pres·​sion | \ kÉ™m-ˈpre-shÉ™n How to pronounce compression (audio) \

Definition of compression

1a : 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

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Other Words from compression

compressional \ kÉ™m-​ˈpresh-​nÉ™l How to pronounce compressional (audio) , -​ˈpre-​shÉ™-​nᵊl \ 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

In its totality, fried chicken is an odd compression of American history, capitalist self-interest, communal identity, pop art, and food nirvana. Wired, "Depth of Field: Visual Poetry in the Chicken Sandwich War," 29 Aug. 2019 These girdling roots cause compression of the stem and sapwood. Rebecca Jepsen, The Mercury News, "Bay Area gardens: How to cope with Japanese maple dieback," 28 Aug. 2019 The nurse stepped forward and knelt by Joe’s side to begin chest compressions. Hannah Natanson, Washington Post, "Neighbors thought they witnessed a tragedy. Then a sign appeared: ‘You Saved My Life!’," 22 Aug. 2019 Police officers and paramedics performed chest compressions on the man sometime after the shooting as at least a dozen residents of the Ash Street Courtyard apartments looked on, tenants told The Oregonian/OregonLive on Wednesday. oregonlive.com, "Man fatally shot by police in SE Portland apartments left on ground for hours, residents say," 31 July 2019 Other users advertise services for exploiting CVE-2019-20250, a critical vulnerability in the WinRAR file-compression program, which was being actively exploited earlier this year to install a host of nasty malware on vulnerable computers. Dan Goodin, Ars Technica, "Hacker site’s incriminating database published online by rival group," 13 Aug. 2019 After 30 compressions, cover the baby's mouth and nose with your mouth and give two breaths — enough to see the baby's chest rise with each breath. Maria Elena Vizcaino, Dallas News, "'Everyone is vulnerable to it': Experts warn about the risk hot cars pose for children," 16 July 2019 The 13-month-old had three spinal fractures caused by compression, ABC 6 reports. Cliff Pinckard, cleveland.com, "Ohio baby-sitter accused of beating children, causing back injuries," 11 July 2019 Patients can return to light workouts after seven to ten days, while still wearing the compression garments, but should avoid high impact cardio until after the post-op appointment. Kaitlin Clark, Allure, "Everything You Need to Know About Liposuction Surgery," 30 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'compression.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of compression

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

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More Definitions for compression

compression

noun
com·​pres·​sion | \ kÉ™m-ˈpre-shÉ™n How to pronounce compression (audio) \

Kids Definition of compression

: the act, process, or result of pressing something together

compression

noun
com·​pres·​sion | \ kÉ™m-ˈpresh-É™n How to pronounce compression (audio) \

Medical Definition of compression

: 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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