(n)(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.pyrotechnic
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
{ } 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 ]