| NOUN | substance | aqua regia, nitrohydrochloric acid | a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold) |
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| Meaning | A yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold). | |
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| Synonym | nitrohydrochloric acid | |
| Broader | acid | Any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt |
| Spanish | agua regia | |
| Catalan | aigua règia | |
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