'Pyrotechnic' definitions:

Definition of 'pyrotechnic'

(from WordNet)
adjective
Of or relating to the craft of making fireworks; "pyrotechnic smokes" [syn: pyrotechnic, pyrotechnical]
adjective
Suggestive of fireworks; "pyrotechnic keyboard virtuosity"; "a pyrotechnic wit"
noun
(usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc. [syn: firework, pyrotechnic]

Definition of 'Pyrotechnic'

From: GCIDE
  • 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]