the disintegration of a nucleus, induced by its absorption of a photon.
Origin of photodisintegration
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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