/ Dictionary / Index P potassium cobaltinitrite: Meaning and Definition of Find definitions for: potas'sium co•bal•ti•ni'trite Pronunciation: (kō"bôl-tu-nī'trīt), [key] — Chem. Chem. a yellow, crystalline, slightly water-soluble powder, KCo(NO), used as a pigment in oil and watercolor paints, and for coloring surfaces of glass, porcelain, etc. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potassium chloride potassium cyanide 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