pyrotechnical

py=ro=tech=ni=cal

WORDNET DICTIONARY

pyrotechnical(a = adj.pert) pyrotechnic - of or relating to the craft of making fireworks; "pyrotechnic smokes"

Derived forms noun pyrotechnics₂, noun pyrotechny₁

pyrotechnical, 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.