grand unified theory


Definition of grand unified 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

called also grand unification theory

Examples of grand unified theory in a Sentence

Recent Examples on the Web There is no grand unified theory for Justice Kennedy’s jurisprudence,’ says Viet Dinh, a leading conservative court watcher whose law partner Paul Clement argued the case against Obamacare. Katie Reilly, Time, "How Anthony Kennedy's Swing Vote Made Him 'the Decider'," 27 June 2018 Westworld, on some level, is telling a story that takes aim at presenting a grand unified theory of oppression. Todd Vanderwerff, Vox, "Westworld season 2 takes cues from The Walking Dead — and it kinda, sorta works," 18 Apr. 2018 Everybody has a grand unified theory about why true crime is so popular right now, especially among women., "Murder, Mystery, & Crime Daddies: A Day At IDCon," 23 May 2018 The two biggest discoveries of the 20th century have resisted all attempts by physicists to combine them into one grand unified theory, leading some physicists to question whether they can even be combined at all. Avery Thompson, Popular Mechanics, "Scientists Propose Experiment to Test Quantum Gravity," 8 Mar. 2018 If alpha has changed over time, that could give us essential clues into whether the current grand unified theories of physics are valid. Sophie Weiner, Popular Mechanics, "Are the Fundamental Constants of the Universe Changing?," 30 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grand unified theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of grand unified theory

1977, in the meaning defined above

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The first known use of grand unified theory was in 1977

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Cite this Entry

“Grand unified theory.” Dictionary, Merriam-Webster, Accessed 26 Nov. 2020.

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