The art and technology of fireworks and related military applications. / A display of fireworks. / (figuratively) An impressive display.

Of or relating to fireworks. / Of or relating to the use of fire in chemistry or metallurgy. / Resembling fireworks. / Of or relating to pyrotechny.

Of or pertaining to pyrotechnics / Resembling fireworks

By means of pyrotechnics.

An ignition device, designed to ignite more difficult-to-ignite materials, such as thermites, solid fuel rockets, etc.

plural of pyrotechnic initiator