/ Dictionary / Index A aortography: Meaning and Definition of Find definitions for: a•or•tog•ra•phy Pronunciation: (ā"ôr-tog'ru-fē), [key] — pl. -phies. x-ray examination of the aorta following injection of radiopaque dye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aortoclasia A.O.U. Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language