fulminant

/F UH1 L M AH0 N AH0 N T/
noun
  1. 1

    A thunderbolt.

  2. 2

    An explosive.

adjective
  1. 1

    That fulminates.

  2. 2

    Appearing quickly and with destructive effects.

Source: https://en.wiktionary.org/wiki/fulminant