extrude

verb

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.”

   “When a printer is extruding and has open spaces in a layer, printers pull the filament back so that stringing does not occur.”

   “Researchers at the University of Warwick have created conductive polycaprolactone (PCL)-based filament by mixing carbon black into melted plastic before it's extruded as filament; they call the result carbomorph.”

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