D defs.my
Entry 1 sense Webster, 1913

grand unified theory

· IPA
01 n. Any of a class of physics theories that attempts to explain the electroweak forces, stong force, and gravitation within a single mathematic…
  1. 1.
    Any of a class of physics theories that attempts to explain the electroweak forces, stong force, and gravitation within a single mathematical conceptual scheme. In the 1990's string theory and superstring theory were prominent examples. Abbreviated GUT, plural GUTs.(Theoretical physics)