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protrusion

[proh-troo-zhuh n, pruh-] /proʊˈtru ʒən, prə-/
noun
1.
the act of protruding or the state of being protruded.
2.
something that protrudes or projects.
Origin
1640-1650
1640-50; < Latin prōtrūs(us) (past participle of prōtrūdere to protrude) + -ion
Related forms
nonprotrusion, noun
Synonyms
2. jut, projection, bulge, protuberance.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for protrusion
  • Yet this bony protrusion at the end of the lower jaw is not seen in any other hominid species.
  • Then he opened the hatch and climbed out onto the weather bridge, a large protrusion off the sub's notched steel sail.
British Dictionary definitions for protrusion

protrusion

/prəˈtruːʒən/
noun
1.
something that protrudes
2.
the state or condition of being protruded
3.
the act or process of protruding
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for protrusion
n.

1640s, from French protrusion, noun of action from past participle stem of Latin protrudere "to push out" (see protrude), or from a similar formation in English.

Online Etymology Dictionary, © 2010 Douglas Harper
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protrusion in Medicine

protrusion pro·tru·sion (prō-trōō'zhən)
n.

  1. The act of protruding.

  2. The state of being protruded.

  3. A position of the mandible forward from centric relation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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12
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