disintegration
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Nouns
Etymology
Origin of disintegration
First recorded in 1790–1800; disintegrate + -ion
Explanation
Disintegration is when one thing splits into parts or just ceases to exist. When something is destroyed, broken up into pieces, or falls apart on its own, that’s disintegration. If you know that integration brings things or people together, you won't be surprised that disintegration means things are coming apart. Disintegration is what happens when a company breaks into smaller companies or when a band splits up. Often, disintegration is physical — a bomb could cause the disintegration of its target. The decomposition (rotting) of a body is an example of disintegration. When something radioactive decays, that's disintegration, too. Disintegration is when it all falls apart.
Vocabulary lists containing disintegration
East of Eden
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"Deep Survival," Vocabulary from the science writing
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Tracking Trash
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There are more deaths in store in Ms. Zigman’s alluring tale of psychological disintegration.
From The Wall Street Journal • May 1, 2026
Allen made an entire album about the disintegration of her marriage to David Barbour.
From Salon • Apr. 30, 2026
"Many glaciers are not only shrinking in length but are increasingly entering a phase of structural disintegration," said Andreas Kellerer-Pirklbauer from the University of Graz.
From BBC • Mar. 13, 2026
Aung San's wartime comrade Ne Win, who had taken the helm of the armed forces after the leader's assassination in murky circumstances, swooped in in a putsch he justified as protection against Myanmar's disintegration.
From Barron's • Dec. 23, 2025
Rutherford was there to talk about his new disintegration theory of radioactivity, as part of which he brought out his piece of pitchblende.
From "A Short History of Nearly Everything" by Bill Bryson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
