extrude

verb

Etymology: Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin ex Latin ex- Proto-Indo-European *trewd-der. Proto-Italic *troudō Latin trūdō Latin extrūderebor. English extrude Borrowed from Latin extrūdere.

1. To push or thrust out.

   “It is theorized that when the surface velocity is below certain minimum values the material at the interface between workpieces WP-1 and WP-2 rolls up and extrudes from the interface in the form of long twisted cylindrical projections which are sometimes referred to as "dingle-berries."”

   “Fire salamanders, which are common on forested hillsides in southern and central Europe, extrude secretions onto their skin containing a neurotoxic alkaloid, Samandarin, when they think they are under attack.”

2. To form or shape (a metal, plastic etc.) by forcing it through a die or an opening.
3. To expel; to drive off.