Extrusion

n.

1.

The act of thrusting or pushing out; a driving out; expulsion.

Noun	1.	extrusion - something that bulges out or is protuberant or projects from a form Synonyms: excrescence, gibbosity, gibbousness, hump, jut, bulge, protrusion, protuberance, bump, prominence
	2.	extrusion - squeezing out by applying pressure; "an unexpected extrusion of toothpaste from the bottom of the tube"; "the expulsion of pus from the pimple" Synonyms: expulsion

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