/ Dictionary / Index I interradial: Meaning and Definition of Find definitions for: in•ter•ra•di•al Pronunciation: (in"tur-rā'dē-ul), [key] — adj. situated between the radii or rays: interradial petals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interracialism interrecord gap 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