Definition of pyrotechnical in US English:

pyrotechnical

adjective

  • 1Relating to fireworks.

    ‘a series of mind-blowing pyrotechnical spectacles light up the skies’
  • 2Brilliant or sensational.

    ‘pyrotechnical wizardry’
    ‘pyrotechnical instrumental flourishes’

Pronunciation

pyrotechnical

/ˌpīrōˈteknək(ə)l//ˌpaɪroʊˈtɛknək(ə)l/