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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.

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

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

From Salon • May 26, 2011

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

From Salon • May 26, 2011

Discussing the use of potassium cyanide for steel-hardening purposes, T.R.

From Scientific American Supplement, No. 1082, September 26, 1896 by Various

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