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Aqua regia   Listen
noun
Aqua  n.  Water; a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed.
Aqua ammoniae, the aqueous solution of ammonia; liquid ammonia; often called aqua ammonia.
Aqua marine, or Aqua marina. Same as Aquamarine.
Aqua regia. (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..
Aqua vitae, a name given to brandy and some other ardent spirits.





Collaborative International Dictionary of English 0.48


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"Aqua regia" Quotes from Famous Books



... cracking tower. match &c. (fuel) 388; incendiary; petroleuse[Fr]; [biological effects resembling the effects of heat][substances causing a burning sensation and damage on skin or tissue] cauterizer[obs3]; caustic, lunar caustic, alkali, apozem[obs3], moxa[obs3]; acid, aqua fortis[Lat], aqua regia; catheretic[obs3], nitric acid, nitrochloro-hydric acid[ISA:CHEMSUB], nitromuriatic acid[ISA:CHEMSUBPREFIX]; radioactivity, gamma rays, alpha particles, beta rays, X-rays, radiation, cosmic radiation, background radiation, radioactive isotopes, tritium, uranium, plutonium, radon, radium. ...
— Roget's Thesaurus
... substances. He that will examine his complex idea of gold, will find several of its ideas that make it up to be only powers; as the power of being melted, but of not spending itself in the fire; of being dissolved in AQUA REGIA, are ideas as necessary to make up our complex idea of gold, as its colour and weight: which, if duly considered, are also nothing but different powers. For, to speak truly, yellowness is not actually in gold, but is a power in gold to produce that idea in us by our eyes, when placed ...
— An Essay Concerning Humane Understanding, Volume I. - MDCXC, Based on the 2nd Edition, Books I. and II. (of 4) • John Locke


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