/ Dictionary / Index P potassic: Meaning and Definition of Find definitions for: po•tas•sic Pronunciation: (pu-tas'ik), [key] — adj. of, pertaining to, or containing potassium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potassa potassium Related Content Daily Word Quiz: novice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language