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avulsion

[uh-vuhl-shuh n]
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noun
  1. a tearing away.
  2. Law. the sudden removal of soil by change in a river's course or by a flood, from the land of one owner to that of another.
  3. a part torn off.
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Origin of avulsion

1615–25; < Latin āvulsiōn- (stem of āvulsiō), equivalent to āvuls(us) torn off (see avulse) + -iōn- -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for avulsion

avulsion

noun
  1. a forcible tearing away or separation of a bodily structure or part, either as the result of injury or as an intentional surgical procedure
  2. law the sudden removal of soil from one person's land to that of another, as by flooding
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Word Origin

C17: from Latin āvulsiō, from āvellere to pluck away, from vellere to pull, pluck
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

avulsion in Medicine

avulsion

(ə-vŭlshən)
n.
  1. The forcible tearing away of a body part by trauma or surgery.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.