mesotron

[mez-uh-tron, mes-, mee-zuh-, -suh-]

noun Physics.

(no longer in technical use) meson.

Origin of mesotron

First recorded in 1935–40; meso- + (elec)tron
Related formsmes·o·tron·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mesotron

mesotron

noun

a former name for meson
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