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potassium cyanide

American  

noun

Chemistry.
  1. a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.


potassium cyanide British  

noun

  1. a white poisonous granular soluble solid substance used in photography and in extracting gold from its ores. Formula: KCN

"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 potassium cyanide

First recorded in 1880–85

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.

See Examples For:

The department bought a solid brick of potassium cyanide in December for $1,530.

From The Guardian May 28, 2021

Vigilant viewers will soon observe that Greta, though hospitable, is about as kindly as potassium cyanide.

From The New Yorker Mar. 1, 2019

The Tylenol case involved the use of potassium cyanide and resulted in a mass recall.

From Salon May 26, 2011

Kaczynski said he has "never even possessed any potassium cyanide."

From Salon May 26, 2011

The potassium cyanide solution is standardized by dissolving 0.5 gramme of pure copper in 5 cc. of nitric acid, diluting, adding 10 cc. of ammonia, and titrating exactly as described above.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various

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