aqua regia
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English
Etymology
Borrowed from Latin aqua regia (literally “royal water”), so named because it is one of the few solvents capable of dissolving noble metals.
Pronunciation
Noun
aqua 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:
- 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
Related terms
Translations
mixture of acids
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Latin
Alternative forms
Etymology
aqua (“water”) + regia (“royal”). From being a liquid capable of dissolving the most incorruptible of metals, gold.
Noun
Coordinate terms
Descendants
- → English: aqua regia