aqua fortis


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Related to aqua fortis: terra alba, aqua regia, aqua vitae, Aqua vitæ

aqua fortis

(äk`wə fôr`tĭs): see nitric acidnitric acid,
chemical compound, HNO3, colorless, highly corrosive, poisonous liquid that gives off choking red or yellow fumes in moist air. It is miscible with water in all proportions.
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References in periodicals archive ?
It is notable that those vulgar distillers, who labour at the work of confecting aqua fortis of various kinds, carefully separate the phlegm from it, since according to their way of thinking this makes the aqua fortis stronger.
"If you wish I will also illustrate 'El Filibusterismo,' and if you like, give me a brief subject for propaganda, so that with 10 or 15 drawings in aqua fortis, a little book can be made in the style of children's stories that are made here, sometimes in the form of caricature, sometimes in more serious style.
The manuscript is full of references to the aquila or eagle (the volatile principle or sal ammoniac), aqua fortis or "strong water" (mainly nitric acid), aqua vitae (concentrated alcohol, often distilled wine), "dragons," (symbolizing "the volatile and fixed principles [mercury and sulphur]," 253), sophic mercury (describing the universal agent of transmutation) and the urine of Saturn (an ammonium salt), just to name a few.