/ Dictionary / Index R Riemann: Meaning and Definition of Find definitions for: Rie•mann Pronunciation: (rē'män" Eng. rē'män, -m&schwan), [key] 1826–66, German mathematician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: riemann (Thesaurus) riel Riemannian geometry Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language