D defs.my
Entry 1 sense Webster, 1913

Pyrotechnics

/pīrˌ-ōt-ĕk'-nĭks/ · Pyr·o·tech·nics · IPA /ˌpaɪ.roʊˈtɛk.nɪks/
01 n. The art of making fireworks; the manufacture and use of fireworks; pyrotechny.
  1. 1.
    The art of making fireworks; the manufacture and use of fireworks; pyrotechny.