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disintegrate

[dis-in-tuh-greyt] /dɪsˈɪn təˌgreɪt/
verb (used without object), disintegrated, disintegrating.
1.
to separate into parts or lose intactness or solidness; break up; deteriorate:
The old book is gradually disintegrating with age.
2.
Physics.
  1. to decay.
  2. (of a nucleus) to change into one or more different nuclei after being bombarded by high-energy particles, as alpha particles or gamma rays.
verb (used with object), disintegrated, disintegrating.
3.
to reduce to particles, fragments, or parts; break up or destroy the cohesion of:
Rocks are disintegrated by frost and rain.
Origin
1790-1800
1790-1800; dis-1 + integrate
Related forms
disintegrable
[dis-in-tuh-gruh-buh l] /dɪsˈɪn tə grə bəl/ (Show IPA),
adjective
disintegrative, disintegratory
[dis-in-tuh-gruh-tawr-ee, -tohr-ee, -grey-tuh-ree] /dɪsˈɪn tə grəˌtɔr i, -ˌtoʊr i, -ˌgreɪ tə ri/ (Show IPA),
adjective
disintegrator, noun
nondisintegrating, adjective
Synonyms
1, 3. See decay.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for dis integrable

disintegrate

/dɪsˈɪntɪˌɡreɪt/
verb
1.
to break or be broken into fragments or constituent parts; shatter
2.
to lose or cause to lose cohesion or unity
3.
(intransitive) to lose judgment or control; deteriorate
4.
(physics)
  1. to induce or undergo nuclear fission, as by bombardment with fast particles
  2. another word for decay (sense 3)
Derived Forms
disintegrable, adjective
disintegration, noun
disintegrative, adjective
disintegrator, noun
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 dis integrable

disintegrate

v.

1796, from dis- "do the opposite of" + integrate (v.). Related: Disintegrated; disintegrating.

Online Etymology Dictionary, © 2010 Douglas Harper
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