extrusion

noun

ex·​tru·​sion ik-ˈstrü-zhən 

: 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

Researchers at the Department of Energy’s Oak Ridge National Laboratory have unveiled a new extrusion system that could reshape large-scale 3D printing. —Aamir Khollam, Interesting Engineering, 22 Jan. 2026

Using special dyes that reveal the voltage across cell membranes, the scientists found that epithelial cells destined for extrusion — and only those cells — lose their membrane potential about five minutes before shrinking and being extruded. —Elise Cutts, Quanta Magazine, 12 Jan. 2026

And, just like extrusion printing, this process can be built up by adding additional layers. —Paul Sisson, San Diego Union-Tribune, 12 Jan. 2026

The FibreSeeker 3 has a build volume of 300 mm x 300 mm x 245 mm, and features dual heads for composite fiber co-extrusion. —New Atlas, 11 Dec. 2025

Word History

Etymology

Medieval Latin extrusion-, extrusio, from Latin extrudere

First Known Use

1540, in the meaning defined above

Rhymes for extrusion

• allusion
• collusion
• conclusion
• confusion
• contusion
• delusion
• diffusion
• effusion
• exclusion
• illusion
• inclusion
• infusion

Kids Definition

extrusion

noun

ex·​tru·​sion ik-ˈstrü-zhən 

: the act or process of extruding

also : a form or product produced by this process

Medical Definition

extrusion

noun

ex·​tru·​sion ik-ˈstrü-zhən 

: the act or process of extruding

extrusion of proteins from cells