aqua regia
English
editEtymology
editBorrowed from Latin aqua regia (literally “royal water”), so named because it is one of the few solvents capable of dissolving noble metals.
Pronunciation
editNoun
editaqua regia (uncountable) (abbreviation A.R.)
- (inorganic chemistry, archaic) A mixture of three parts concentrated hydrochloric acid to one part concentrated nitric acid, named for its ability to dissolve gold.
- Synonyms: aqua regis, nitro-hydrochloric acid
- 2005, D.J. Krus, Elements of Propositional Calculus[1]:
- Consider another example. 'If gold is placed in aqua regia then it dissolves.' Aqua regia is a mixture of nitric and hydrochloric acids that dissolves gold or platinum. Observation of gold dissolving in aqua regia (argument 1 1) lends credence to the above conditional statement.
Not placing the gold into aqua regia and gold not dissolving (argument 0 0) does not disprove the truth-value of this conditional.
Coordinate terms
editRelated terms
editTranslations
editmixture of acids
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Latin
editAlternative forms
editEtymology
editaqua (“water”) + regia (“royal”). From being a liquid capable of dissolving the most incorruptible of metals, gold.
Noun
editCoordinate terms
editDescendants
edit- → English: aqua regia
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