noun
also grand unification theory
: any of several theories that seek to unite in a single mathematical framework the electromagnetic and weak forces with the strong force or with the strong force and gravity
noun
also grand unification theory
: any of several theories that seek to unite in a single mathematical framework the electromagnetic and weak forces with the strong force or with the strong force and gravity
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012