/ Dictionary / Index T Theorell: Meaning and Definition of Find definitions for: The•o•rell Pronunciation: (tā'ō-rel"), [key] 1903–82, Swedish biochemist: Nobel prize for medicine 1955. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. theorbo theorem Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language