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