/ Dictionary / Index P prussic: Meaning and Definition of Find definitions for: prus•sic Pronunciation: (prus'ik), [key] — adj. Chem. of or derived from prussic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prussiate prussic acid Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language