/ Dictionary / Index A autoradiograph: Meaning and Definition of Find definitions for: au•to•ra•di•o•graph Pronunciation: (ô"tu-rā'dē-u-graf", -gräf"), [key] — n. a picture revealing the presence of radioactive material, the film being laid directly on the object to be tested. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: autoradiograph (Thesaurus) auto racing autoradiography Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language