pyrotechnic

UK: /ˌpaɪərəʊˈteknɪk/ US: (pī′rə tek′nik)

WordReference Random House Unabridged Dictionary of American English © 2025

py•ro•tech•nic  (pī′rə tek′nik), adj. 

1. Chemistry of or pertaining to pyrotechnics.
2. Chemistry pertaining to, resembling, or suggesting fireworks.

Also, py′ro•tech′ni•cal. 

• pyro- + technic 1695–1705

py′ro•tech′ni•cal•ly, adv. 

WordReference Random House Learner's Dictionary of American English © 2025

py•ro•tech•nics /ˌpaɪrəˈtɛknɪks/   n. 

1. Chemistry [uncountable* used with a singular verb] the art of making fireworks or using them in displays.
2. [plural* used with a plural verb] a brilliant or dazzling display of excellence, as in speechmaking or musical performance.

py•ro•tech•nic, adj. 

WordReference Random House Unabridged Dictionary of American English © 2025

py•ro•tech•nics  (pī′rə tek′niks), n. (used with a sing. or pl. v.)

1. Chemistry the art of making fireworks.
2. the use of fireworks for display, military purposes, etc.
3. a display of fireworks.
4. a brilliant or sensational display, as of rhetoric or musicianship.
5. Military ammunition containing chemicals for producing smoke or light, as for signaling, illuminating, or screening.

Also, py′ro•tech′ny (for defs. 1, 2).

• see pyrotechnic, -ics 1710–20