/ Dictionary / Index D desulfurate: Meaning and Definition of Find definitions for: de•sul•fu•rate Pronunciation: (dē-sul'fyu-rāt", -fu-), [key] — -rat•ed, -rat•ing. to desulfurize. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. desulfur desulfurize 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