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photoproton

American

[foh-toh-proh-ton] / ˌfoʊ toʊˈproʊ tɒn /

noun

Physics.

a proton emitted from a nucleus during photodisintegration.

Etymology

Origin of photoproton

First recorded in 1930–35; photo- + proton

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.