: 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
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Prosecutors alleged the companies disguised Chinese aluminum extrusions as pallets to evade antidumping and countervailing duties. Kaelan Deese, The Washington Examiner, 14 July 2026 Researchers at Lawrence Livermore National Laboratory (LLNL) have modernized high-explosive (HE) manufacturing by adapting extrusion-spheronization. Mrigakshi Dixit, Interesting Engineering, 10 July 2026 Gaia Biomaterials has received final European patent approval for a PLA-free film extrusion material developed for biodegradable and compostable applications. Alexandra Harrell, Footwear News, 14 May 2026 There is even a mock car made of 80/20 aluminum extrusions, used to lay out an entire wiring harness and everything that attaches to it, short of a battery pack. Kyle Hyatt, ArsTechnica, 5 May 2026 See All Example Sentences for extrusion

Word History

Etymology

Medieval Latin extrusion-, extrusio, from Latin extrudere

First Known Use

1540, in the meaning defined above

Time Traveler
The first known use of extrusion was in 1540

Browse Nearby Words

Cite this Entry

“Extrusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrusion. Accessed 28 Jul. 2026.

Kids Definition

extrusion

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

Medical Definition

extrusion

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