Relating to or describing compounds or reactions involving cyanide or cyanogen combined with gold or gold compounds.
From cyanaurate + -ic (adjective suffix). The root combines cyan- (cyanogen) and aur- (from aurum, Latin for gold).
The term cyanauric is rarely used today because modern chemistry has better tools for studying gold, but it's a fossil word that shows how chemists once named things by literally combining the names of the elements or compounds involved.
Complete word intelligence in one call. Free tier — 50 lookups/day.