/ Dictionary / Index L Leontief: Meaning and Definition of Find definitions for: Le•on•ti•ef Pronunciation: (lē-on'tē-ef", -uf), [key] born 1906, U.S. economist, born in Russia: Nobel prize 1973. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: leontief (Thesaurus) leontiasis Leontovich Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language