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sodium cyanide

American  

noun

Chemistry.
  1. a white, crystalline, deliquescent, water-soluble, poisonous powder, NaCN, prepared by heating sodium amide with charcoal: used chiefly in casehardening alloys, in the leaching and flotation of ore, and in electroplating.


sodium cyanide British  

noun

  1. a white odourless crystalline soluble poisonous compound with an odour of hydrogen cyanide when damp. It is used for extracting gold and silver from their ores and for case-hardening steel. Formula: NaCN

"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 sodium 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:

Lloyds List, a shipping data company, said on Monday that it was carrying sodium cyanide.

From BBC Mar. 11, 2025

Perkovich said a discrepancy between the potassium cyanide obtained by corrections officials and the sodium cyanide called for under state execution protocol "is not a small detail."

From Salon Jun. 2, 2021

He gets the occasional crippling migraine, as well as a strange numbness in his hands that he never experienced before his exposure to sodium cyanide.

From The Guardian Jun. 26, 2020

A white precipitate forms temporarily but dissolves as the addition of sodium cyanide continues.

From Textbooks Feb. 14, 2019

When such eggs are treated with a weak solution of sodium cyanide or chloral hydrate, they return to the resting condition.

From Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 by Anonymous

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