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sprain

[spreyn] /spreɪn/
verb (used with object)
1.
to overstrain or wrench (the ligaments of an ankle, wrist, or other joint) so as to injure without fracture or dislocation.
noun
2.
a violent straining or wrenching of the parts around a joint, without dislocation.
3.
the condition of being sprained.
Origin
1595-1605
1595-1605; origin uncertain
Related forms
unsprained, adjective
Synonyms
1. twist. See strain1 .
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un sprained

sprain

/spreɪn/
verb
1.
(transitive) to injure (a joint) by a sudden twisting or wrenching of its ligaments
noun
2.
the resulting injury to such a joint, characterized by swelling and temporary disability
Word Origin
C17: of uncertain origin
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 un sprained

sprain

n.

c.1600, of uncertain origin. The verb is attested from 1620s. A connection has been suggested to Middle French espraindre "to press out," from Latin exprimere, but the sense evolution is difficult.

Online Etymology Dictionary, © 2010 Douglas Harper
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un sprained in Medicine

sprain (sprān)
n.
An injury to a ligament when the joint is carried through a range of motion greater than its normal range without dislocation or fracture. v. sprained, sprain·ing, sprains
To cause a sprain to a joint or ligament.

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

sprain

overstretching or tearing of fibres in one or more of the ligaments that support a joint, caused by forced movement beyond their range. Symptoms include sudden severe pain, then swelling around the joint, tenderness, stiffness, and often black-and-blue marks as a result of bleeding into the joint. The common sites for sprains are the ankle, wrist, knee, finger or toe joints, and sacroiliac joint in the lower back. The usual treatment involves support and protection of the joint by adhesive bandaging and the use of graded exercises until healing is complete. If the sprain is severe, surgery to reunite ligaments may be necessary

Learn more about sprain with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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