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.

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Origin of ferrocyanic acid

First recorded in 1810–20; ferro- + cyanic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012