aqua regis

A form of aqua regia — A mixture of three parts concentrated hydrochloric acid to one part concentrated nitric acid, named for its ability to dissolve gold.

OriginLatin aqua rēgis →
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Meanings

nounaqua regis (uncountable)
  1. alternativeuncountableAlternative form of aqua regia.

Synonyms & antonyms

Also see
aqua regia

Origin

  1. Latinaqua rēgis
  2. Englishaqua regis

Learned borrowing from Latin aqua rēgis.

More words from Latin

Full word history & related roots →
Cite this entry
APA

aqua regis. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/aqua%20regis

MLA

“aqua regis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/aqua%20regis. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “aqua regis,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/aqua%20regis.

Source: aqua regis on Wiktionary, CC BY-SA 4.0.