usually plural A device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc..

synonym: firework.

Dutch: vuurwerk
Polish: raca, bengalskie ognie, fajerwerki, sztuczne ognie

Of or relating to the craft of making fireworks:
— Pyrotechnic smokes.

synonym: pyrotechnical.

Dutch: pyrotechnisch
Polish: pirotechniczny

Suggestive of fireworks.