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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

Or we may treat the gelatine with ferrocyanide of potassium and salicylate of sodium mixed, and thus obtain an intermediary colour on the addition of FeSO4.

From The Mechanism of Life by Leduc, Stéphane