/ Dictionary / Index M mammography: Meaning and Definition of Find definitions for: mam•mog•ra•phy Pronunciation: (ma-mog'ru-fē), [key] — n. x-ray photography of a breast, esp. for detection of tumors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mammography (Thesaurus) mammogram mammon Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language