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aqua regia

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noun aqua re·gia \-ˈrē-j(ē-)ə\

Definition of aqua regia

  1. :  a mixture of nitric and hydrochloric acids that dissolves gold or platinum



Origin of aqua regia

New Latin, literally, royal water


First Known Use: 1617


Medical Dictionary

aqua regia

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noun aqua re·gia \-ˈrē-j(ē-)ə\

Medical Definition of aqua regia

  1. :  a mixture of nitric and hydrochloric acids that dissolves gold or platinum—called also nitrohydrochloric acid




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