Dictionary
potas'sium ferrocy'anide
Chem.
a lemon-yellow, crystalline, water-soluble solid, K
4Fe(CN)
6·3H
2O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk. Also called
yellow prussiate of potash. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.