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WordReference Random House Unabridged Dictionary of American English © 2024ex•tru•sion (ik stro̅o̅′zhən),USA pronunciation n. - the act of extruding or the state of being extruded.
- Metallurgysomething that is extruded.
- Medieval Latin extrūsiōn- (stem of extrūsiō), equivalent. to Latin extrūs(us) (past participle of extrūdere to extrude) + -iōn- -ion
- 1530–40
Collins Concise English Dictionary © HarperCollins Publishers:: extrusion /ɪkˈstruːʒən/ n - the act or process of extruding
- the movement of magma onto the surface of the earth through volcano craters and cracks in the earth's crust, forming igneous rock
- any igneous rock formed in this way
- a component or length of material formed by the process of extruding
Etymology: 16th Century: from Medieval Latin extrūsiō, from extrūdere to extrude ex•trude /ɪkˈstrud/USA pronunciation v. [~ + object], -trud•ed, -trud•ing. - Geologyto force or press out, as through a small opening that gives shape:The spaghetti-making machine extrudes dough through tiny holes.
ex•tru•sion /ɪkˈstruʒən/USA pronunciation n. [uncountable]See -trude-. WordReference Random House Unabridged Dictionary of American English © 2024ex•trude (ik stro̅o̅d′),USA pronunciation v., -trud•ed, -trud•ing. v.t. - Geologyto thrust out; force or press out;
expel:to extrude molten rock. - Metallurgyto form (metal, plastic, etc.) with a desired cross section by forcing it through a die.
v.i. - to protrude.
- Metallurgyto be extruded:This metal extrudes easily.
- Latin extrūdere to thrust out, drive out, equivalent. to ex- ex-1 + trūdere to thrust, push
- 1560–70
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