ex·​tru·​sion | \ ik-ˈstrü-zhən How to pronounce extrusion (audio) \

Definition of extrusion

: the act or process of extruding also : a form or product produced by this process

Examples of extrusion in a Sentence

Recent Examples on the Web Aluminum sheet, plate and foil as well as rolling, drawing and extrusions7. Rachel Layne, CBS News, "Trump administration tariffs hurt U.S. manufacturing, Fed finds," 30 Dec. 2019 Because of its chemical makeup, ABS holds up to all the material indignities of being manufactured, like extrusion into thin threads (or from 3D printer nozzles) and even sawing. Caroline Delbert, Popular Mechanics, "Why Scientists Supercooled LEGO Bricks to Near Absolute Zero," 26 Dec. 2019 The company also manufactures and sells hollow-core extrusion machines that are used to produce precast concrete internationally. Evan Frank, Milwaukee Journal Sentinel, "The CEO of Spancrete partnered with his business to transform his 1842 Delafield home," 11 Nov. 2019 However, real animal muscle tends to have more complex structure than anything extrusion can achieve. The Economist, "Plant-based meat could create a radically different food chain," 12 Oct. 2019 Manning believes that cell jamming likely provides an overarching mechanical explanation for many of the cell behaviors involved in cancer, including extrusion. Gabriel Popkin, Quanta Magazine, "Jammed Cells Expose the Physics of Cancer," 16 Aug. 2016 But what the scientists observed next came as more of a surprise and allowed them to build further detail into the loop extrusion hypothesis. Quanta Magazine, "How Cells Pack Tangled DNA Into Neat Chromosomes," 22 Feb. 2018 Those results lent support to the idea of loop extrusion, a prior proposal about how DNA is packaged. Quanta Magazine, "How Cells Pack Tangled DNA Into Neat Chromosomes," 22 Feb. 2018 The company sells entire 3D printers (starting at $199) or extrusion kits (starting at $39) that allows the nozzle to be attached to an existing 3D printer. Liz Stinson, Curbed, "New 3D printer takes the mess out of ceramics," 11 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'extrusion.' 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 extrusion

1540, in the meaning defined above

History and Etymology for extrusion

Medieval Latin extrusion-, extrusio, from Latin extrudere

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Time Traveler for extrusion

Time Traveler

The first known use of extrusion was in 1540

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Statistics for extrusion

Last Updated

9 Jan 2020

Cite this Entry

“Extrusion.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/extrusion. Accessed 28 January 2020.

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More Definitions for extrusion


ex·​tru·​sion | \ ik-ˈstrü-zhən How to pronounce extrusion (audio) \

Medical Definition of extrusion

: the act or process of extruding extrusion of proteins from cells

More from Merriam-Webster on extrusion

Rhyming Dictionary: Words that rhyme with extrusion

Britannica English: Translation of extrusion for Arabic Speakers

Comments on extrusion

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showing steady, earnest care and effort

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