I. |pīrə|teknik, -rō|t-, -nēk adjective
also py·ro·tech·ni·cal -nə̇kəl, -nēk-
Etymology: pyrotechnic probably from French pyrotechnique, from pyrotechnie pyrotechny + -ique -ic; pyrotechnical from pyrotechny + -ical
: of or relating to pyrotechnics
pyrotechnic smokes
• py·ro·tech·ni·cal·ly -nə̇k(ə)lē, -nēk-, -li adverb
II. noun
( -s )
1. pyrotechnics plural but singular or plural in construction : the art of making or the manufacture and use of fireworks (as for display, military signaling, or illumination) : pyrotechny
2. pyrotechnics plural
a. : materials (as fireworks, powders, and ammunition) for flares or signals
b. : a display of fireworks
3. : a spectacular and usually highly emotional display (as of oratory, rhetoric, anger, wit, or extreme virtuosity)
pages of glittering pyrotechnic — Gamaliel Bradford
— usually used in plural