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photofission

[foh-tuh-fish-uh n, foh-tuh-fish-] /ˌfoʊ təˈfɪʃ ən, ˈfoʊ təˌfɪʃ-/
noun, Physics.
1.
nuclear fission induced by the absorption of a high-energy photon.
Origin
1935-1940
1935-40; photo- + fission
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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