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photofission

American

[foh-tuh-fish-uhn, foh-tuh-fish-] / ˌfoʊ təˈfɪʃ ən, ˈfoʊ təˌfɪʃ- /

noun

Physics.

nuclear fission induced by the absorption of a high-energy photon.

Etymology

Origin of photofission

First recorded in 1935–40; photo- + fission

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.