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The Collaborative International Dictionary
Aurocyanide

Aurocyanide \Au`ro*cy"a*nide\, n. [Aurum + cyanide.] (Chem.) A double cyanide of gold and some other metal or radical; -- called also cyanaurate.

Wiktionary
aurocyanide

n. 1 (context inorganic compound uncountable English) The complex anion, Au(CN)2-, produced when gold is dissolved as part of the cyanide process. 2 (context inorganic chemistry countable English) Any salt containing this anion.