/ Dictionary / Index I iridic: Meaning and Definition of Find definitions for: i•rid•ic Pronunciation: (i-rid'ik, ī-rid'-), [key] — adj. Chem. of or containing iridium, esp. in the tetravalent state. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iridic (Thesaurus) iridescent seaweed iridium Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language