ferrocyanic acid

[ fer-oh-sahy-an-ik, fer- ]
/ ˈfɛr oʊ saɪˈæn ɪk, ˌfɛr- /

noun Chemistry.

a white, crystalline, unstable, water-soluble solid, H4Fe(CN)6, obtained by the interaction of a ferrocyanide and an acid.

Origin of ferrocyanic acid

First recorded in 1810–20; ferro- + cyanic

British Dictionary definitions for ferrocyanic acid

ferrocyanic acid
/ (ˌfɛrəʊsaɪˈænɪk) /

noun

a white volatile unstable solid tetrabasic acid, usually known in the form of ferrocyanide salts. Formula: H 4 Fe(CN) 6