aqua fortis or aquaforˈtis noun

1. (L fortis strong) (ancient name for) concentrated nitric acid
2. Etching with nitric acid

aquaforˈtist noun

An etcher or engraver who uses aquafortis

aqua mirabilis noun (L mīrābilis wonderful; obsolete)

A preparation distilled from cloves, nutmeg, ginger, and spirit of wine

aqua pura /pūˈra/ noun

Pure water

aqua regia /rēˈjyə or rāˈgi-a/ noun

(L rēgius royal) a mixture of nitric and hydrochloric acids, which dissolves the royal metal, gold

aqua Tofana /tō-fäˈnə/ noun

A secret poison (probably arsenical) made by a 17c Sicilian woman Tofana

aqua vitae /vīˈtē or wēˈtī/ noun

1. (L, of life) alcohol
2. Brandy, whisky, etc