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photonuclear

[foh-toh-noo-klee-er, -nyoo- or, by metathesis, -kyuh-ler]
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adjective Physics.
  1. of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
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Origin of photonuclear

First recorded in 1940–45; photo- + nuclear

Pronunciation note

See nuclear.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for photonuclear

photonuclear

adjective
  1. physics of or concerned with a nuclear reaction caused by a photon
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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