/ Dictionary / Index I iridize: Meaning and Definition of Find definitions for: ir•i•dize Pronunciation: (ir'i-dīz", ī'ri-), [key] — -dized, -diz•ing. to cover with iridium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. iridium irido- 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