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1. A ferrocyanide or ferricyanide.
2. A salt of hydrocyanic acid; cyanide. In both senses, this word is no longer in technical use.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) any cyanide, ferrocyanide, or ferricyanide
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Plus, one brand of kosher salt is more than salt; containing an anti-caking ingredient: yellow prussiate of soda, also known as sodium ferrocyanide.
After ammonia distillation and dephenolization, Lurgi coal gasification wastewater (LCGW) is still a complex industrial wastewater containing high concentrations of organic matter, ammonia, and prussiate [4], resulting in unsatisfactory effluent quality after anaerobic-anoxic-oxic (A-A-O) process and sequencing batch reactor (SBR) biological treatment process [5].
Finally, to prove that the substance remaining on the filter was none other than hydrated sesqui-oxide of iron (rust), we have treated some of it with hydrochloric acid; it dissolved completely, and the solution presented a greenish-yellow color; the other part, treated by the prussiate of potash, produced an abundant precipitate of Prussian blue.