/ Dictionary / Index E Euler: Meaning and Definition of Find definitions for: Eu•ler Pronunciation: (oi'lur Ger.,Swed. oi'lur), [key] — n. 1707–83, Swiss mathematician. 1905–83, Swedish physiologist: Nobel prize for medicine 1970. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: euler (Thesaurus) eulachon Euler-Chelpin Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language