The Collaborative International Dictionary of English v.0.48:

Fulminate \Ful"mi*nate\, n. [Cf. P. fulminate. See Fulminate,
   v. i.] (Chem.)
      (a) A salt of fulminic acid. See under Fulminic.
      (b) A fulminating powder.
          [1913 Webster]

   Fulminate of gold, an explosive compound of gold; -- called
      also fulminating gold, and aurum fulminans.
      [1913 Webster]