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protraction

 - 4 dictionary results

pro⋅trac⋅tion

  [proh-trak-shuhn, pruh-]
Use protraction in a Sentence
–noun
1. the act of protracting; prolongation; extension.
2. protrusion.
3. something that is protracted.
4. a drawing or rendering to scale.
Origin:
1525–35; < LL prōtractiōn- (s. of prōtractiō) prolongation. See protract, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pro·trac·tion   (prō-trāk'shən, prə-)   
n.  

    1. The act of protracting.

    2. The state of being protracted.

  2. Linguistics The irregular lengthening of a normally short syllable.

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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Medical Dictionary

Main Entry: pro·trac·tion
Pronunciation: -'trak-sh&n
Function: noun
1 : the act of moving an anatomical part forward
2 : the state of being protracted; especially : protrusion of the jaws
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

protraction pro·trac·tion (prō-trāk'shən, prə-)
n.
Extension of teeth or other maxillary or mandibular structures into a position anterior to the normal 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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