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ferrocyanide

American  
[fer-oh-sahy-uh-nahyd, -nid] / ˌfɛr oʊˈsaɪ əˌnaɪd, -nɪd /

noun

Chemistry.
  1. a salt of ferrocyanic acid, as potassium ferrocyanide, K 4 Fe(CN) 6 .


ferrocyanide British  
/ ˌfɛrəʊˈsaɪəˌnaɪd /

noun

  1. any salt of ferrocyanic acid, such as potassium ferrocyanide, K 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 ferrocyanide

First recorded in 1835–45; ferro- + cyanide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He extensively used potassium ferrocyanide to bleach detail into dark areas.

From Seattle Times • Jan. 20, 2018

He admonished them for sending their spies to a foreign country equipped with “soap made of potassium ferrocyanide or toilet water that contains lead acetate.”

From Scientific American • Apr. 5, 2014

On exposure to ultraviolet light, the compounds react to form a dye called Prussian Blue, or ferric ferrocyanide.

From Scientific American • Dec. 23, 2011

Upon further investigation, however, authorities learned that the chemical appeared to be potassium ferrocyanide, which is not lethal when diluted in water.

From Time Magazine Archive

White Gunpowder: a mixture of potassium chlorate, potassium ferrocyanide, and sugar.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various