/ Dictionary / Index P platinocyanic: Meaning and Definition of Find definitions for: plat•i•no•cy•an•ic Pronunciation: (plat"n-ō-sī-an'ik), [key] — adj. Chem. of or derived from platinocyanic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. platinize platinocyanic acid Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language