Source : Webster's Revised Unabridged Dictionary (1913)

Fulminate \Ful"mi*nate\, v. i. [imp. & p. p. {Fulminated}; p.
   pr. & vb. n. {Fulminating}.] [L. fulminatus, p. p. of
   fulminare to lighten, strike with lightning, fr. fulmen
   thunderbolt, fr. fulgere to shine. See {Fulgent}, and cf.
   {Fulmine}.]
   1. To thunder; hence, to make a loud, sudden noise; to
      detonate; to explode with a violent report.

   2. To issue or send forth decrees or censures with the
      assumption of supreme authority; to thunder forth menaces.

Fulminate \Ful"mi*nate\, v. t.
   1. To cause to explode. --Sprat.

   2. To utter or send out with denunciations or censures; --
      said especially of menaces or censures uttered by
      ecclesiastical authority.

            They fulminated the most hostile of all decrees.
                                                  --De Quincey.

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.

   {Fulminate of gold}, an explosive compound of gold; -- called
      also {fulminating gold}, and {aurum fulminans}.

Source : WordNet®

fulminate
     n : a salt or ester of fulminic acid

fulminate
     v 1: criticize severely; "He fulminated against the Republicans'
          plan to cut Medicare"; "She railed against the bad
          social policies" [syn: {rail}]
     2: come on suddenly and intensely; "the disease fulminated"
     3: cause to explode violently and with loud noise