Of or relating to compounds containing both gold and cyanide; describing auric and cyanic elements combined.
From auri- (gold) combined with cyanic (relating to cyanide or the color blue, from Greek kyanos). This chemistry term describes specific gold-cyanide compounds.
Gold mining operations in the 1800s discovered that cyanide could dissolve gold from ore in a process called cyanidation—it was revolutionary but also introduced terrible environmental and health hazards that we're still dealing with today.
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