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TAKE THE QUIZgrand unified theory
noun
: 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.
—refinery29.com, 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
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.
—refinery29.com, 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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grand%20unified%20theory. Accessed 23 Mar. 2023.
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