PYROTECHNIC Meaning of PYROTECHNIC in English adj. 1 of or relating to fireworks. 2 (of wit etc.) brilliant or sensational. pyrotechnical adj. pyrotechnist n. pyrotechny n.[ PYRO- + Gk tekhne art ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012