aqua regia

aqua re·​gia | \ ˈä-kwə-ˈrē-j(ē-)ə How to pronounce aqua regia (audio) , ˈa-kwə- How to pronounce aqua regia (audio) \

Definition of aqua regia

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

Examples of aqua regia in a Sentence

Recent Examples on the Web As German troops marched in the streets of Copenhagen, chemist George de Hevesy stashed the medals in aqua regia, an acid strong enough to dissolve gold. National Geographic, "Nobel Prizes 2017: Facts About the Secretive Process and Peculiar Past," 2 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aqua regia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of aqua regia

1617, in the meaning defined above

History and Etymology for aqua regia

New Latin, literally, royal water

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The first known use of aqua regia was in 1617

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Cite this Entry

“Aqua regia.” The Dictionary, Merriam-Webster Inc., Accessed 20 January 2020.

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More Definitions for aqua regia

aqua regia

aqua re·​gia | \ -ˈrē-j(ē-)ə How to pronounce aqua regia (audio) \

Medical Definition of aqua regia

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

called also nitrohydrochloric acid

More from Merriam-Webster on aqua regia Encyclopedia article about aqua regia

Comments on aqua regia

What made you want to look up aqua regia? Please tell us where you read or heard it (including the quote, if possible).


not to be intimidated or subdued

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