fulgurating

/F AH1 L G Y ER0 EY0 T IH0 NG/
verb
  1. 1

    To flash or emit flashes like lightning.

  2. 2

    To cauterize with electricity; to carry out electrofulguration or to electrocauterize.

Source: https://en.wiktionary.org/wiki/fulgurate, https://en.wiktionary.org/wiki/fulgurating