单词 | aqua regia |
释义 | aqua re·gi·a ![]() n. A corrosive, fuming, volatile mixture of hydrochloric and nitric acids, used for testing metals and dissolving platinum and gold. Also called nitrohydrochloric acid. [New Latin aqua rēgia : Latin aqua, water + Latin rēgia, feminine of rēgius, royal (because it dissolves gold, the "royal metal").] |
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