py·ro·tech·nic / ˌpīrəˈteknik/ • adj. of or relating to fireworks: the sun flickered in the car like a pyrotechnic display. ∎  brilliant or sensational: his writing contains more pyrotechnic energy, more color and action.DERIVATIVES: py·ro·tech·ni·cal adj.py·ro·tech·nist / -nist/ n.

py·ro·tech·nics / ˌpīrəˈtekniks/ • pl. n. a fireworks display. ∎  a brilliant performance or display, esp. of a specified skill: he thrilled his audience with vocal pyrotechnics. ∎  [treated as sing.] the art of making or displaying fireworks.