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

The system uses multimaterial extrusion to print complex devices made of conductive, magnetic, and structural materials without the need for specialized manufacturing facilities. —Neetika Walter, Interesting Engineering, 20 Feb. 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

Spitler said that both extrusion and projection are used in the four liver printing projects that were selected. —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