火か工こう術じゅつMeanings1nounpyrotechnicsTechnical term for the art and science of fireworks, explosives, and related pyrotechnic devices.火か工こう術じゅつの専せん門もん家かが花はな火び大たい会かいの準じゅん備びをしている。A pyrotechnics expert is preparing for the fireworks festival.