Extrusion
WordNet
noun
(1) Squeezing out by applying pressure
"An unexpected extrusion of toothpaste from the bottom of the tube"
"The expulsion of pus from the pimple"
(2) Something that bulges out or is protuberant or projects from its surroundings
"The gun in his pocket made an obvious bulge"
"The hump of a camel"
"He stood on the rocky prominence"
"The occipital protuberance was well developed"
"The bony excrescence between its horns"
WiktionaryText
Noun
- A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe.
- An item formed by the process of extrusion.