pyrotechnical

from WordNet (r) 3.0 (2006)

pyrotechnical
    adj 1: of or relating to the craft of making fireworks;
           "pyrotechnic smokes" [syn: {pyrotechnic},
           {pyrotechnical}]

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster]

   {Pyrotechnical sponge}. See under {Sponge}.
      [1913 Webster]