/ Dictionary / Index M Med.Sc.D.: Meaning and Definition of Find definitions for: Med.Sc.D. Pronunciation: [key] Doctor of Medical Science. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. medroxyprogesterone medulla Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language