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omega meson


noun Physics.

a neutral and extremely short-lived meson having a mass 1532 times that of the electron and a mean lifetime of 6.6 X 10-23 seconds.

Nearby words

ombudsperson, ombudswoman, omdurman, omega, omega baryon, omega meson, omega minus, omega-3 fatty acid, omega-c baryon, omega-minus particle, omega-oxidation theory
Also called omega.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for omega meson

omega meson


A neutral meson having a mass 1,532 times that of the electron and an average lifetime of 6.6 X 10-23 seconds. See Table at subatomic particle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.