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Aqua Tofana
(gcide) | Aqua \A"qua\, n. [L. See Ewer.]
Water; -- a word much used in pharmacy and the old chemistry,
in various signification, determined by the word or words
annexed.
[1913 Webster]
Aqua ammoni[ae], the aqueous solution of ammonia; liquid
ammonia; often called aqua ammonia.
Aqua marine, or Aqua marina. Same as Aquamarine.
Aqua regia. [L., royal water] (Chem.), a very corrosive
fuming yellow liquid consisting of nitric and hydrochloric
acids. It has the power of dissolving gold, the "royal"
metal.
Aqua Tofana, a fluid containing arsenic, and used for
secret poisoning, made by an Italian woman named Tofana,
in the middle of the 17th century, who is said to have
poisoned more than 600 persons. --Francis.
Aqua vit[ae][L., water of life. Cf. Eau de vie,
Usquebaugh], a name given to brandy and some other
ardent spirits. --Shak.
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