extrusion
1. [ noun ] something that bulges out or is protuberant or projects from a form
Synonyms: bulge protuberance protrusion gibbousness gibbosity jut prominence hump excrescence bump
Related terms: projection spur wart nub occipital_protuberance frontal_eminence belly mogul caput snag bulge protrude hunch bulge
2. [ noun ] squeezing out by applying pressure
Synonyms: expulsion
Examples:

"an unexpected extrusion of toothpaste from the bottom of the tube" "the expulsion of pus from the pimple"

Related terms: squeeze extrude
Similar spelling:   extrusive
  extraction
  extroversion
  extraversion
  extrinsic
  extrication
  extradition
  extrude