a specialist in the origin of fires, their nature and control, etc
2.
a fireworks technician or expert; pyrotechnist
3.
a performer capable of dazzling virtuosity
a pyrotechnician of the keyboard
Word origin
[1720–30; pyro(technics) + technician]This word is first recorded in the period 1720–30. Other words that entered Englishat around the same time include: berm, deadwood, joker, stylus, syllabic