/ Dictionary / Index D du Vigneaud: Meaning and Definition of Find definitions for: du Vi•gneaud Pronunciation: (d vēn'yō, dy), [key] 1901–78, U.S. biochemist: Nobel prize for chemistry 1955. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Duvida dux Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language