aurochloride

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) The trichloride of gold combination with the chloride of another metal, forming a double chloride; -- called also chloraurate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun inorganic chemistry, uncountable The complex anion, AuCl4-, produced when gold is dissolved in aqua regia.
• noun inorganic chemistry, countable Any salt containing this anion.