pyrotechnic
1. py.ro.tech.nic \.pi--r*-'tek-nik\ \-ni-k*l\ \-k(*-)le-\ aj [F pyrotechnique, fr. Gk pyr fire + techne- art] : of or relating to pyrotechnics - py.ro.tech.ni.cal aj 2. pyrotechnic \-'tek-n*st\ n pl but sing or pl in constr 1: the art of making or the manufacture and use of fireworks pl 2a: materials (as fireworks) for flares or signals 2b: a display of fireworks 3: a spectacular display (as of oratory) - usu. used in pl. - py.ro.tech.nist n