Extrusion is the act or process of extruding something.
[technical]
extrusion in British English
(ɪkˈstruːʒən)
noun
1.
the act or process of extruding
2.
a.
the movement of magma onto the surface of the earth through volcano craters and cracks in the earth's crust, forming igneous rock
b.
any igneous rock formed in this way
3.
a component or length of material formed by the process of extruding
Derived forms
extrusible (exˈtrusible)
adjective
Word origin
C16: from Medieval Latin extrūsiō, from extrūdere to extrude
extrusion in Mechanical Engineering
(ɪkstruʒən)
Word forms: (regular plural) extrusions
noun
(Mechanical engineering: Manufacturing and assembly)
An extrusion is a part or length of material formed by pushing a material through a die with a particular cross-section.
The window frames are extrusions because they are made by forcing aluminum in a plastic state through a shaped dieand then cooling it.
Extrusions are products formed by pushing heated metal through an opening called a die, theoutline of which defines the cross-sectional shape of the product.
An extrusion is a part or length of material formed by pushing a material through a die with aparticular cross-section.