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• grand unified theory
  grand unified theory

  noun

  physics any of a number of theories of elementary particles and fundamental interactions designed to explain the gravitational, electromagnetic, strong, and weak interactions in terms of a single mathematical formalism
• Grand Unified Theory
  Grand Unified Theory

  A theory that describes the behavior of matter at temperatures that existed only in the first fraction of a second after the Big Bang. In these theories, the strong, weak, and electromagnetic forces are unified. The greatest triumph of GUTs is that they explain the absence of antimatter in the universe. (See also unified field theory.)

grand unified theory

British  

noun

1.  GUT.  physics any of a number of theories of elementary particles and fundamental interactions designed to explain the gravitational, electromagnetic, strong, and weak interactions in terms of a single mathematical formalism

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grand unified theory Scientific  

/ grănd /

1. A theory of elementary forces that unites the weak, strong, electromagnetic, and gravitational interactions into one field theory and views the known interactions as low-energy manifestations of a single unified interaction.

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Grand Unified Theory Cultural  

1. A theory that describes the behavior of matter at temperatures that existed only in the first fraction of a second after the Big Bang. In these theories, the strong, weak, and electromagnetic forces are unified. The greatest triumph of GUTs is that they explain the absence of antimatter in the universe. (See also unified field theory.)

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Example Sentences

Scientists have many reasons to seek a grand unified theory of nature, but the information paradox is their most specific motivation, and it has guided their way when they have little else to go on.

From Scientific American • Aug. 20, 2022

Each of these bits carries the texture of its antecedents; together they operate under a grand unified theory of if you know, you know.

From Salon • Jun. 11, 2022

They don’t seem concerned about arriving at a grand unified theory of anything.

From New York Times • Feb. 25, 2022

He arrived in Princeton and took up a position, working under Oppenheimer, at the Institute for Advanced Study, where Einstein had been spending his years in exile in vain pursuit of a grand unified theory.

From Washington Post • Feb. 28, 2020

This is longer than the lifetime predicted by the simplest grand unified theory, but there are more elaborate theories in which the predicted lifetimes are longer.

From "A Brief History of Time: And Other Essays" by Stephen Hawking