Aqua regia Meaning, Definition & Usage
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noun a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold)
nitrohydrochloric acid.
WordNet
Definitions
L., royal water (Chem.) , a very corrosive fuming yellow liquid consisting of nitric and hydrochloric acids. It has the power of dissolving gold, the "royal" metal.
