/ Dictionary / Index M macropsia: Meaning and Definition of Find definitions for: ma•crop•si•a Pronunciation: (mu-krop'sē-u), [key] — n. Ophthalm. a defect of vision in which objects appear to be larger than their actual size. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. macropodous macroscopic Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language