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extrusion
/ ɪkˈstruːʒən /
noun
- 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
extrusion
/ ĭk-stro̅o̅′zhən /
- The emission of lava onto the surface of the Earth.
- ◆ Rocks that form from the cooling of lava are generally fine-grained (because they cool quickly, before large crystals can grow) and are called extrusive rocks.
- Compare intrusion
- The process of making a shaped object, such as a rod or tube, by forcing a material into a mold.
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Derived Forms
- exˈtrusible, adjective
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Word History and Origins
Origin of extrusion1
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Word History and Origins
Origin of extrusion1
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Example Sentences
You could see them as a double extrusion of that kind of plastic-thread-shooter that kids used to love to fire at each other.
In a few days after extrusion the eggs become crystal-like or hyaline in color, when the embryo can be seen in motion.
On receiving this sentence of extrusion, Portia turned upon her poet with a demand for pecuniary compensation.
A show of resistance made by the proctors of the clergy in the House of Commons was promptly met by their extrusion.
If two rows be used, as described above, extrusion of the ball is far less frequent than if one only be inserted.
So is there an extrusion on—on the rifle barrel which would produce that?
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