Definition of pyrotechny in English:

pyrotechny

Pronunciation /ˈpīrōteknē/ /ˈpaɪroʊtɛkni/

noun

  • 1historical The use of fire in alchemy.

    1. 1.1
      another term for pyrotechnics
      • ‘It is only to be expected that the writings of such a distinguished fireworker would be eagerly sought by anyone interested in pyrotechny.’

Origin

Late 16th century from French pyrotechnie or modern Latin pyrotechnia, from Greek pur + tekhnē ‘art’.