/ Dictionary / Index R radiodiagnosis: Meaning and Definition of Find definitions for: ra•di•o•di•ag•no•sis Pronunciation: (r?"d?-?-d?"ug-n?'sis), [key] ? pl. -ses diagnosis by means of radiography or radioscopy. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. radio compass radio direction finder Related Content Daily Word Quiz: abdicate Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language