photodisintegration

[ foh-toh-di-sin-ti-grey-shuh n ]
/ ˌfoʊ toʊ dɪˌsɪn tɪˈgreɪ ʃən /

noun Physics.

the disintegration of a nucleus, induced by its absorption of a photon.

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Origin of photodisintegration

First recorded in 1930–35; photo- + disintegration
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for photodisintegration

photodisintegration
/ (ˌfəʊtəʊdɪˌsɪntɪˈɡreɪʃən) /

noun

disintegration of an atomic nucleus as a result of its absorption of a photon, usually a gamma ray
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