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grand unified (field) theory definition

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 © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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