Definition of strong water in English:

strong water

noun

historical
  • 1A powerful solvent; specifically nitric acid.

  • 2A strong alcoholic drink, an intoxicating spirit.

Origin

Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From strong + water, after post-classical Latin aqua fortis aquafortis.

Pronunciation

strong water

/ˌstrɒŋ ˈwɔːtə/