a. 烟火的, 令人眼花缭乱的, 夸大炫耀的

[ adj ]
of or relating to the craft of making fireworks
<adj.pert>
pyrotechnic smokes

Pyrotechnic \Pyr`o*tech"nic\, Pyrotechnical \Pyr`o*tech"nic*al\,
a. [Pyro- + technic, technical: cf. F. pyrotechnique. See
{Fire}, {Technical}.]
Of or pertaining to fireworks, or the art of forming them.

{Pyrotechnical sponge}. See under {Sponge}.