Definition of fulgurate in US English:

fulgurate

verb

  • 1Medicine
    with object Destroy (small growths or areas of tissue) using diathermy.

    ‘a high-frequency electric current is applied to fulgurate the biological tissue’
  • 2literary no object Flash like lightning.

    ‘the cut-glass chandeliers fulgurated’
    ‘from the fulgurating Milky Way there shot forth streams of light’

Pronunciation