Relating to or containing gold, especially used in chemistry to describe gold compounds in its trivalent state.
From Latin 'aureus' (golden), derived from 'aurum' (gold), with the chemical suffix '-ic' added to indicate a particular oxidation state in gold compounds.
Chemists distinguish between 'auric' (gold with +3 charge) and 'aurous' (gold with +1 charge)—it's like gold having different personalities depending on how many electrons it loses!
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