[dis-in-tuh-grey-shuh n]

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

Examples from the Web for disintegrations

Historical Examples of disintegrations

Word Origin and History for disintegrations



1796, noun of action from disintegrate.

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.
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.