string theory

noun

Definition of string theory

: a theory in physics: all elementary particles are manifestations of the vibrations of one-dimensional strings

Examples of string theory in a Sentence

Recent Examples on the Web So either quantum physics will absorb relativity or relativity will absorb quantum — no one thinks that’s going to happen — or there’s a third theory that will then encompass them both: string theory or something else. David Marchesephotograph By Mamadi Doumbouya, New York Times, "Neil deGrasse Tyson Thinks Science Can Reign Supreme Again," 17 Apr. 2021 There are strong theoretical ideas and a lot of beautiful mathematics in favor of string theory. Alan Lightman, The Atlantic, "Of Miracles and Multiverses," 22 Mar. 2021 Because string theory requires a multiverse, string theorists tend to regard the cosmological constant problem as essentially solved by this reasoning. Clara Moskowitz, Scientific American, "The Cosmological Constant Is Physics’ Most Embarrassing Problem," 1 Feb. 2021 Loeb points out that many of the most fashionable research topics in physics — other than supersymmetry, ideas like extra-spatial dimensions, string theory, multiverses — lack much experimental backing. Farhad Manjoo New York Times, Star Tribune, "Aliens must be out there," 12 Feb. 2021 This, Sutter explains, is why the time was right for string theory to offer a new suggestion. Caroline Delbert, Popular Mechanics, "Black Holes May Not Be Black Holes at All. They May Actually Be Fuzzballs.," 7 Dec. 2020 Furthermore, combining quantum information science with string theory may help not just in deriving a theory of quantum gravity but in evaluating whatever theory the researchers find. Clara Moskowitz, Scientific American, "Tangled Up in Spacetime," 26 Oct. 2016 Then, in papers published last fall, researchers cut the tether to string theory altogether. Quanta Magazine, "The Most Famous Paradox in Physics Nears its End," 29 Oct. 2020 One of the most successful embodiments of the holographic principle is a discovery known as the AdS/CFT correspondence, found by Maldacena in 1997 within the framework of string theory. Clara Moskowitz, Scientific American, "Tangled Up in Spacetime," 26 Oct. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'string 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 string theory

1973, in the meaning defined above

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The first known use of string theory was in 1973

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Last Updated

1 May 2021

Cite this Entry

“String theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/string%20theory. Accessed 11 May. 2021.

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More from Merriam-Webster on string theory

Britannica.com: Encyclopedia article about string theory

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