ex•trudePronunciation: (ik-strOOd'), [key]
—v., -trud•ed, -trud•ing.
to thrust out; force or press out; expel: to extrude molten rock.
to form (metal, plastic, etc.) with a desired cross section by forcing it through a die.
to be extruded: This metal extrudes easily.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.