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]The Collaborative International Dictionary of English v.0.48:
Aurum \Au"rum\, n. [L.] Gold. [1913 Webster] Aurum fulminans (?). See Fulminate. Aurum mosaicum (?). See Mosaic. [1913 Webster]