/ Dictionary / Index M mammogram: Meaning and Definition of Find definitions for: mam•mo•gram Pronunciation: (mam'u-gram"), [key] — n. an x-ray photograph obtained by mammography. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mammogram (Thesaurus) mammock mammography Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language