Breadcrumb Home > Dictionary > Index F feldspathic: Meaning and Definition of Find definitions for: feld•spath•ic Pronunciation: (feld-spath'ik, fel-, feld'spath-, fel'-), [key] — adj. Mineral. of, pertaining to, or containing feldspar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. feldspar feldspathoid ✖ Related Content Daily Word Quiz: tautology Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language