Pronunciation: (pī"ru-tek'niks),[key] —n.(used with a sing. or pl. v.) 1. the art of making fireworks.
2. the use of fireworks for display, military purposes, etc.
3. a display of fireworks.
4. a brilliant or sensational display, as of rhetoric or musicianship.
5. Mil.ammunition containing chemicals for producing smoke or light, as for signaling, illuminating, or screening. Also,py'ro•tech"ny(for defs. 1, 2).