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Yukawa meson

American  

noun

Physics.

  1. a hypothetical elementary particle with finite rest mass, whose exchange between nucleons would account for the strong short-range forces between nucleons: subsequently identified as the pion.

Etymology

Origin of Yukawa meson

First recorded in 1960–65; after H. Yukawa

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.