/ Dictionary / Index S soredial: Meaning and Definition of Find definitions for: so•re•di•al Pronunciation: (su-rē'dē-ul), [key] — adj. pertaining to or resembling a soredium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sore soredium Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language