1. The art and science of preparing and using fireworks: Pyrotechnics is used for both military and nonmilitary purposes to produce a bright light for illumination, or colored lights, or smoke for signaling.

2. A device or material which can be ignited to produce light or noise for purposes of display or illumination: Some musical groups utilize pyrotechnics to increase the brilliance of their performances.
3. A sensational display of eloquence, wit, anger, etc.: Greg thrilled his audience with his vocal pyrotechnics about how the economy was getting much better!
4. Etymology: borrowed from French pyrotechnique; from Greek and Latin pyro- "fire" + Latin technicus, "technical." © ALL rights are reserved.

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