grand unification theory

noun

, Physics.

1. a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. : GUT

Word History and Origins

Origin of grand unification theory¹

First recorded in 1980–85

Example Sentences

Einstein spent the balance of his life trying to develop a grand unification theory of the four fundamental forces of nature, without success.

From US News

Some experts believe that advances in string theory may lead to a grand unification theory, explaining all of the fundamental forces of nature.

From Washington Post

Conservatives argue against the expansion of government, whereas Republicans sometimes enlarge it to please their constituents or themselves. Republicans also sometimes botch foreign policy operations and spin themselves silly in their aftermath, which is why the Benghazi revelations are left out of this grand unification theory.

From Slate

With Windows 8, Microsoft plans to be ready for this Grand Unification Theory.

From New York Times