• synonyms


[dis-in-tuh-grey-shuh n]
  1. the act or process of disintegrating.
  2. Physics. decay(def 8).
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Origin of disintegration

First recorded in 1790–1800; disintegrate + -ion
Related formsnon·dis·in·te·gra·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for disintegrations

Historical Examples

  • But I had no intention of adding invalidism to my other disintegrations.

    Black Oxen

    Gertrude Franklin Horn Atherton

  • Many disturbances and disintegrations of the personality must presently fall to be discussed.

  • You were about to further explain the good results proceeding from the erosions and disintegrations effected by the Third Degree.

  • They benefit us by producing fermentations and disintegrations of soils that prepare them for plant food.

    Reading the Weather

    Thomas Morris Longstreth

Word Origin and History for disintegrations



1796, noun of action from disintegrate.

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Online Etymology Dictionary, © 2010 Douglas Harper

disintegrations in Medicine


  1. The breaking up of the component parts of a substance, as in catabolism or decay.
  2. The disorganization or disruption of mental processes in mental illness.
  3. The natural or induced transformation of an atomic nucleus from a more massive to a less massive configuration by the emission of particles or radiation.
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Related formsdis•inte•grate′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.