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collapse

[kuh-laps] /kəˈlæps/
verb (used without object), collapsed, collapsing.
1.
to fall or cave in; crumble suddenly:
The roof collapsed and buried the crowd.
2.
to be made so that sections or parts can be folded up, as for convenient storage:
This bridge table collapses.
3.
to break down; come to nothing; fail:
Despite all their efforts the peace talks collapsed.
4.
to fall unconscious or as if unconscious or physically depleted, as from a stroke, heart attack, disease, or exhaustion.
5.
Pathology.
  1. to sink into extreme weakness.
  2. (of lungs) to come into an airless state.
verb (used with object), collapsed, collapsing.
6.
to cause to collapse:
He collapsed the table easily.
noun
7.
a falling in or together:
Three miners were trapped by the collapse of the tunnel roof.
8.
a sudden, complete failure; breakdown:
The bribery scandal brought about the complete collapse of his industrial empire.
Origin
1725-1735
1725-35; < Latin collāpsus (past participle of collābī to fall, fall in ruins), equivalent to col- col-1 + lāp-, variant stem of lābī to fall + -sus, variant of -tus past participle ending
Related forms
precollapse, verb, precollapsed, precollapsing.
uncollapsed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un collapsed

collapse

/kəˈlæps/
verb
1.
(intransitive) to fall down or cave in suddenly the whole building collapsed
2.
(intransitive) to fail completely his story collapsed on investigation
3.
(intransitive) to break down or fall down from lack of strength
4.
to fold (furniture, etc) compactly or (of furniture, etc) to be designed to fold compactly
noun
5.
the act or instance of suddenly falling down, caving in, or crumbling
6.
a sudden failure or breakdown
Derived Forms
collapsible, collapsable, adjective
collapsibility, collapsability, noun
Word Origin
C18: from Latin collāpsus, from collābī to fall in ruins, from lābī to fall
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 collapsed
collapse
1732, from L. collapsus, pp. of collabi "fall together," from com- "together" + labi "to fall, slip." The pp. collapsed is attested from 1609, from L. collapsus, and this seems to have suggested the verb.
Online Etymology Dictionary, © 2010 Douglas Harper
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un collapsed in Medicine

collapse col·lapse (kə-lāps')
v. col·lapsed, col·laps·ing, col·laps·es

  1. To break down suddenly in strength or health and thereby fall into a condition of extreme prostration.

  2. To fall together or inward suddenly.

n.
  1. A condition of extreme prostration.

  2. A falling together of the walls of a structure.

  3. The failure of a physical system.

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