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ferrocyanic acid

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

noun

Chemistry.

  1. a white, crystalline, unstable, water-soluble solid, H 4 Fe(CN) 6 , obtained by the interaction of a ferrocyanide and an acid.

ferrocyanic acid British  
/ ˌfɛrəʊsaɪˈænɪk /

noun

  1. 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

Etymology

Origin of ferrocyanic acid

First recorded in 1810–20; ferro- + cyanic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.