[ ree-mahn; English ree-mahn, -muh n ]
/ ˈriˌmɑn; English ˈri mɑn, -mən /


Ge·org Frie·drich Bern·hard [gey-awrk free-drikh bern-hahrt] /geɪˈɔrk ˈfri drɪx ˈbɛrn hɑrt/, 1826–66, German mathematician.

Related formsRie·mann·i·an [ree-mah-nee-uh n] /riˈmɑ ni ən/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for riemann

British Dictionary definitions for riemann


/ (German ˈriːman) /


Georg Friedrich Bernhard (ˈɡeːɔrk ˈfriːdrɪç ˈbɛrnhart). 1826–66, German mathematician whose non-Euclidean geometry was used by Einstein as a basis for his general theory of relativity
Derived FormsRiemannian, adjective

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

Science definitions for riemann


[ rēmən, -män′ ]
(Georg Friedrich) Bernhard 1826-1866

German mathematician who originated the non-Euclidean system of geometry that is now named after him. Riemann also studied optics and electromagnetic theory, and his work influenced Albert Einstein's theory of General Relativity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.