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extrusion

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ex⋅tru⋅sion

[ik-stroo-zhuhn]
–noun
1. the act of extruding or the state of being extruded.
2. something that is extruded.

Origin:
1530–40; < ML extrūsiōn- (s. of extrūsiō), equiv. to L extrūs(us) (ptp. of extrūdere to extrude ) + -iōn- -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ex·tru·sion   (ĭk-strōō'zhən)   
n.  
  1. The act or process of pushing or thrusting out.

  2. The act or process of shaping by forcing through a die.

  3. An object or material produced by extruding.


[Medieval Latin extrūsiō, extrūsiōn-, from Latin extrūsus, past participle of extrūdere, to thrust out; see extrude.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

extrusion 
1540, from L. extrusionem, from ex- "out" + trudere "to thrust, push," from PIE *treud- "to press, push, squeeze" (see threat).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: ex·tru·sion
Pronunciation: ik-'strü-zh&n
Function: noun
: the act or process of extruding <extrusion of proteinsfrom cells>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

extrusion ex·tru·sion (ĭk-str&oomacr;'zhən)
n.

  1. A thrusting or forcing out of a normal position.

  2. The eruption or migration of a tooth beyond its normal occlusal position.

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