/ Dictionary / Index O orthomorphic projection: Meaning and Definition of Find definitions for: or'tho•mor'phic projec'tion Pronunciation: (ôr'thu-môr'fik, ôr"-), [key] — Cartog. Cartog. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orthomolecular ortho-nitrophenol Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language