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

Example Sentences

Recent Examples on the Web What grand unified theory of retirement neatly explains all three? Andrew Van Dam, Washington Post, 13 Jan. 2023 And if confirmed, some think the new force could move physics closer to a grand unified theory of the universe, or even help explain dark matter. Eric Betz, Discover Magazine, 10 Mar. 2020 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, 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, 18 Apr. 2018 Everybody has a grand unified theory about why true crime is so popular right now, especially among women., 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, 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, 30 Sep. 2017 See More

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.

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of grand unified theory was in 1977

Dictionary Entries Near grand unified theory

Cite this Entry

“Grand unified theory.” Dictionary, Merriam-Webster, Accessed 23 Mar. 2023.

Last Updated: - Updated example sentences
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