/ Dictionary / Index R radiograph: Meaning and Definition of Find definitions for: ra•di•o•graph Pronunciation: (rā'dē-ō-graf", -gräf"), [key] — n. Also calleda photographic image produced by the action of x-rays or nuclear radiation. —v.t. to make a radiograph of. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radiograph (Thesaurus) radiogram radiography Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language