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3 definitions found
 for extrusion
From The Collaborative International Dictionary of English v.0.48 :

  Extrusion \Ex*tru"sion\, n.
     The act of thrusting or pushing out; a driving out;
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: something that bulges out or is protuberant or projects
           from its surroundings; "the gun in his pocket made an
           obvious bulge"; "the hump of a camel"; "he stood on the
           rocky prominence"; "the occipital protuberance was well
           developed"; "the bony excrescence between its horns" [syn:
           bulge, bump, hump, swelling, gibbosity,
           gibbousness, jut, prominence, protuberance,
           protrusion, extrusion, excrescence]
      2: squeezing out by applying pressure; "an unexpected extrusion
         of toothpaste from the bottom of the tube"; "the expulsion of
         pus from the pimple" [syn: extrusion, expulsion]

From Moby Thesaurus II by Grady Ward, 1.0 :

  58 Moby Thesaurus words for "extrusion":
     bas-relief, bellying, boldness, booting out, bulging,
     defenestration, detrusion, discharge, effusion, egestion,
     ejaculation, ejection, ejectment, elimination, emanation,
     embossment, emergence, emersion, eminence, emission, excrescence,
     excrescency, excretion, expulsion, extravasation, exudation, flow,
     flux, gibbosity, gibbousness, high relief, issuance, issue,
     jettison, kicking downstairs, low relief, obtrusion, ouster,
     ousting, projection, prominence, protrusion, protuberance,
     protuberancy, rejection, relief, removal, salience, salient,
     secretion, surfacing, the boot, the bounce, throwing out,
     transudation, tuberosity, tuberousness, vent

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