/ Dictionary / Index D defervesce: Meaning and Definition of Find definitions for: de•fer•vesce Pronunciation: (dē"fur-ves', def"ur-), [key] — -vesced, -vesc•ing. to undergo defervescence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: defervesce (Thesaurus) deferred share defervescence Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language