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[bruh-kis-tuh-krohn] /brəˈkɪs təˌkroʊn/
noun, Mechanics.
the curve between two points that in the shortest time by a body moving under an external force without friction; the curve of quickest descent.
Origin of brachistochrone
1765-75; < Greek bráchisto(s) shortest (superlative of brachýs brachy-) + chrónos time
Related forms
[bruh-kis-tuh-kron-ik] /brəˌkɪs təˈkrɒn ɪk/ (Show IPA),
[brey-kuh-stok-ruh-nuh s, brak-uh-] /ˌbreɪ kəˈstɒk rə nəs, ˌbræk ə-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for brachistochrone
Historical Examples
  • A famous instance of this is found in what is known as the brachistochrone problem, which was solved by John Bernouilli.

    Great Astronomers R. S. Ball
British Dictionary definitions for brachistochrone


(maths) the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
Word Origin
C18: from Greek brakhistos, superlative of brakhus short + chronos time
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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