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 supersymmetric (audio) \ adjective

Examples of supersymmetry in a Sentence

Recent Examples on the Web 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 In 1975 Freedman realized that supersymmetry could be extended to include gravity. Philip Ball, Scientific American, "Supergravity Snags Super Award: $3-Million Special Breakthrough Prize," 6 Aug. 2019 And some macroscopic signatures of the theory that might have been seen, such as cosmic strings and supersymmetry, have not shown up. Quanta Magazine, "Why Is M-Theory the Leading Candidate for Theory of Everything?," 18 Dec. 2017 The five-year extension signed in June 2011 came due this summer, and no supersymmetry particles have shown up. Quanta Magazine, "Supersymmetry Bet Settled With Cognac," 22 Aug. 2016

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

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The first known use of supersymmetry was in 1974

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Cite this Entry

“Supersymmetry.” Dictionary, Merriam-Webster, Accessed 19 Feb. 2020.

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