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Noun: extrusion  ik'stroo-zhun or ek'stroo-zhun
  1. Something that bulges out or is protuberant or projects from its surroundings
    - bulge, bump, hump, swelling, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, excrescence
  2. Squeezing out by applying pressure
    "an unexpected extrusion of toothpaste from the bottom of the tube";
    - expulsion

Derived forms: extrusions

Type of: projection, squeeze, squeezing

Encyclopedia: Extrusion