the act of breaking or bursting: The flood led to the rupture of the dam.
the state of being broken or burst: a rupture in the earth's surface.
a breach of harmonious, friendly, or peaceful relations.
Pathology. hernia, especially abdominal hernia.
verb (used with object), ruptured, rupturing.
to break or burst: He ruptured a blood vessel.
to cause a breach of: to rupture friendly relations.
Pathology. to affect with hernia.
verb (used without object), ruptured, rupturing.
to suffer a break or rupture.

1475–85; < Latin ruptūra (noun), equivalent to rupt(us) (past participle of rumpere to break) + -ūra -ure

rupturable, adjective
nonrupturable, adjective
nonrupture, noun
unrupturable, adjective
unruptured, adjective

rapture, rupture.

2. fracture, break, split, burst. 5. fracture, split, disrupt.

2. seam, union. 5. unite. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
rupture (ˈrʌptʃə)
1.  the act of breaking or bursting or the state of being broken or burst
2.  a breach of peaceful or friendly relations
3.  pathol
 a.  the breaking or tearing of a bodily structure or part
 b.  another word for hernia
4.  to break or burst or cause to break or burst
5.  to affect or be affected with a rupture or hernia
6.  to undergo or cause to undergo a breach in relations or friendship
[C15: from Latin ruptūra a breaking, from rumpere to burst forth; see erupt]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1481, from L. ruptura "the breaking (of an arm or leg), fracture," from pp. stem of rumpere "to break," cognate with O.E. reafian "to seize, rob, plunder," reofan "to tear, break;" O.N. rjufa "to break;" see reft). Meaning "abdominal hernia" first attested 1539. The verb is first recorded 1739.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

rupture rup·ture (rŭp'chər)

  1. The process of breaking open or bursting.

  2. A hernia, especially of the groin or intestines.

  3. A tear in an organ or a tissue.

v. rup·tured, rup·tur·ing, rup·tures
To break open; burst.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
As the pressure increases, the eardrum may break open or rupture.
In a system that relies on a rupture disk, a valve left in the open position
  would also be installed.
At this point, because the tumor is so large, the skin covering it is stretched
  quite thin and will soon rupture.
Critics say this might disturb the toxic sediment lying on the lake bottom,
  while ice scouring might rupture the pipe.
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