/ Dictionary / Index A alkalic: Meaning and Definition of Find definitions for: al•kal•ic Pronunciation: (al-kal'ik), [key] — adj. Geol. (of igneous rock) containing a relatively high percentage of sodium and potassium alkali. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alkalic (Thesaurus) alkali blue alkali flat Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language