extrude
verb/ɪkˈstɹuːd · ɛk-/
Etymology 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."1967, M.R. Calton, Welding of Dispersion-Strengthened Alloys, US Patent 3477117, page 6:
- 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.2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 6:
2 more examples
- When a printer is extruding and has open spaces in a layer, printers pull the filament back so that stringing does not occur.2015, Joan Horvath, Rich Cameron, 3D Printing with MatterControl, page 153:
- 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.2017, Richard Horne, 3D Printing For Dummies:
2
To form or shape (a metal, plastic etc.) by forcing it through a die or an opening.
3
To expel; to drive off.
- Derived terms
- coextrude, extrudability, extrudable, extrudate, extrudite, pultrude, unextruded