- a lemon-yellow, crystalline, water-soluble solid, K4Fe(CN)6⋅3H2O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
Also called yellow prussiate of potash.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a yellow soluble crystalline compound used in case-hardening steel and making dyes and pigments. Formula: K 4 Fe(CN) 6Also called: potassium hexacyanoferrate (II), yellow prussiate of potash