/ Dictionary / Index O orthographic: Meaning and Definition of Find definitions for: or•tho•graph•ic Pronunciation: (ôr"thu-graf'ik), [key] — adj. of or pertaining to orthography. orthogonal (def. 1a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: orthographic (Thesaurus) orthographer orthographic projection Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language