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Definition of extrusion

extrusion

/ɪkˈstruː.ʒən/
ex · tru · sion

Plural:extrusions
•
Adjective:extrusive
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extrusion Lexical Profile

extrusion Game Scores & Validity

• noun

1

A manufacturing process in which a material, such as metal, plastic, or dough, is forced through a shaped die or opening to create objects with a fixed cross-sectional profile.

Example

"Aluminum window frames are typically manufactured through hot extrusion to ensure uniform strength and thickness."


2

An object, rod, or structural piece formed by forcing material through a die.

Example

"The engineer inspected the plastic extrusions for any surface defects before assembly."


3

In geology, the emission of magma or lava onto the Earth's surface, or the rock mass formed by this process.

Example

"The volcanic plateau was formed by the repeated extrusion of basaltic lava over millions of years."

Synonyms
View all synonyms for extrusion

• Rhymes for extrusion

Word Origin & Etymology

Borrowed in the mid-16th century from Late Latin extrusio, a noun of action from Latin extrudere ('to thrust out'), formed from ex- ('out') and trudere ('to thrust or push').

Cite this Entry


Wordmom. (2026). Definition of Extrusion. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/extrusion
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