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 There are two sets of extrusion systems for different filaments. Chris Hachey, BGR, 6 Oct. 2021 This can withstand powerful pressure and extrusion. Chris Hachey, BGR, 25 May 2021 What really sparked the explosion of pasta shapes was the invention of the extrusion press. Jeffrey Miller, The Conversation, 12 May 2021 In December 2020 a lava dome started to grow inside the crater, a rocky plug resulting from the slow extrusion of very viscous lava from a volcanic conduit and evidence of magma rising beneath the mountain. David Bressan, Forbes, 9 Apr. 2021 Toyota's system uses an extremely beefy aluminum extrusion cage that covers the entire ceiling of the test house. Ron Amadeo, Ars Technica, 1 Oct. 2020 The filter is made of thousands of nonwoven fibers, each thinner than a strand of hair and fused together through a process known as melt blown extrusion. Graham Kates, CBS News, 9 Apr. 2020 Extruflex makes flexible vinyl strips and sheets through a process called extrusion, which melts and forms vinyl materials into a specific shape and size. William Thornton | Wthornton@al.com, al, 24 Sep. 2019 Aluminum sheet, plate and foil as well as rolling, drawing and extrusions7. Rachel Layne, CBS News, 30 Dec. 2019

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

18 Oct 2021

Cite this Entry

“Extrusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrusion. Accessed 27 Nov. 2021.

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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

Britannica English: Translation of extrusion for Arabic Speakers


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