su·​per·​sym·​me·​try | \ ˌsü-pər-ˈsi-mə-trē How to pronounce supersymmetry (audio) \

Definition of supersymmetry

: the correspondence between fermions and bosons of identical mass that is postulated to have existed during the opening moments of the big bang and that relates gravity to the other forces of nature

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Other Words from supersymmetry

supersymmetric \ ˌsü-​pər-​sə-​ˈme-​trik How to pronounce supersymmetry (audio) \ adjective

Examples of supersymmetry in a Sentence

Recent Examples on the Web 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 Even though none of them turned up, that has ended up being informative, killing off a huge range of potential models for other particles and causing plenty of people to rethink models based on the idea of supersymmetry. John Timmer, Ars Technica, "Europe officially sets its sights on a giant LHC successor," 25 June 2020 One, supersymmetry, suggested that the universe might be littered with undiscovered particles that could act like dark matter. Dennis Overbye, New York Times, "Will Coronavirus Freeze the Search for Dark Matter?," 7 Apr. 2020 Since the 1980s, the most popular proposal has been supersymmetry. Quanta Magazine, "A New Theory to Explain the Higgs Mass," 27 May 2015 After decades of searching, no experimental evidence for supersymmetry has been found. Joseph Lykken, Scientific American, "Supersymmetry and the Crisis in Physics," 12 May 2014 Today, the cosmos’s origin story is in question, the identity of dark matter is anyone’s guess and supersymmetry is all but off the table, leaving gaps in our laws of nature. Quanta Magazine, "The Year in Physics," 21 Dec. 2018 Supergravity, which combines principles of general relativity and supersymmetry, brings the field of physics one step closer to a unified theory of nature and the cosmos. Erin Woo, The Mercury News, "UCSF professor awarded Breakthrough Prize — $22 million effort to elevate scientists and their work," 5 Sep. 2019 While there is compelling circumstantial evidence for supersymmetry, as yet there is no direct proof. Quanta Magazine, "Inside the Knotty World of ‘Anyon’ Particles," 28 Feb. 2017

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

1974, in the meaning defined above

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Time Traveler for supersymmetry

Time Traveler

The first known use of supersymmetry was in 1974

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Statistics for supersymmetry

Last Updated

24 Feb 2021

Cite this Entry

“Supersymmetry.” Dictionary, Merriam-Webster, Accessed 6 Mar. 2021.

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