pyrotechny noun4 •The manufacture and use of fireworks.‘[…] I came to the conclusion that this demonstration of our skill in the art of pyrotechny was valuable, if only because it impressed upon them ... the superiority of the British.... […]’ — 1928 •The use of fire in chemistry and metallurgy.Indeed all men well skilled in the Chymical Science, have a necessity of assenting to me in this, viz. that Pyrotechny is the Mother, and Nurse of various noble Sciences and Arts. — 1670 •(figurative) Impressive, dazzling or virtuosic display.But if all rhetoric is a mode of pyrotechny, and all pyrotechnics are by necessity fugacious, yet even in these frail pomps there are many degrees of frailty. — 1848 •(no longer used) The manufacture and use of gunpowder, bombs etc.
