pyrotechny
Concise Oxford English Dictionary © 2008 Oxford University Press:
pyrotechny/ˈpʌɪrə(ʊ)-/
▶noun
- 1 historical the use of fire in alchemy.
- 2 another term for pyrotechnics.
– origin C16: from Fr. pyrotechnie or mod. L. pyrotechnia, from Gk pur ‘fire’ + tekhnē ‘art’.
'pyrotechny' also found in these Oxford entries:

