/ Dictionary / Index Z zinc phosphide: Meaning and Definition of Find definitions for: zinc' phos'phide Pronunciation: [key] — Chem. Chem. a dark-gray, gritty, water-insoluble, poisonous powder, ZnP, used chiefly as a rodenticide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zinc oxide zinc stearate Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language