[ ree-jee-uh ]
/ ˈri dʒi ə /
a yellow, fuming liquid composed of one part nitric acid and three to four parts hydrochloric acid: used chiefly to dissolve metals as gold, platinum, or the like.
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Also called nitrohydrochloric acid.
Origin of aqua regia
1600–10; < New Latin: literally, royal water
Words nearby aqua regia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for aqua regia
/ (ˈriːdʒɪə) /
a yellow fuming corrosive mixture of one part nitric acid and three to four parts hydrochloric acid, used in metallurgy for dissolving metals, including goldAlso called: nitrohydrochloric acid
Word Origin for aqua regia
C17: from New Latin: royal water; referring to its use in dissolving gold, the royal metal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for aqua regia
[ rē′jē-ə, rē′jə ]
A corrosive, fuming, volatile mixture of hydrochloric and nitric acids. Aqua regia is used for testing metals and dissolving platinum and gold.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.