Pyrotechnical :: Pyrotechnical (a.) Of or pertaining to fireworks, or the art of forming them..
Pyrotechnics :: Pyrotechnics (n.) The art of making fireworks; the manufacture and use of fireworks; pyrotechny.
Pyrotechnist :: Pyrotechnist (n.) One skilled in pyrotechny; one who manufactures fireworks.
Pyrotechny :: Pyrotechny (n.) The use and application of fire in science and the arts.