/ Dictionary / Index D deuterate: Meaning and Definition of Find definitions for: deu•ter•ate Pronunciation: (d'tu-rāt", dy'-), [key] — -at•ed, -at•ing. to add deuterium to (a chemical compound). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deuteranopia deuteride Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language