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grand unification theory
Variant of grand unified (field) theory
Particle Physics any of various theories postulating that the four fundamental forces in the universe (electromagnetism, gravity, the strong interaction, and the weak interaction) are actually types of a single high-energy force
also called grand unification theory
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.