Source : Webster's Revised Unabridged Dictionary (1913)

Pulverize \Pul"ver*ize\, v. i.
   To become reduced to powder; to fall to dust; as, the stone
   pulverizes easily.

Pulverize \Pul"ver*ize\, v. t. [imp. & p. p. {Pulverized}; p.
   pr. & vb. n. {Pulverizing}.] [F. pulv['e]riser, L.
   pulverizare, fr. pulvis dust, powder. See {Powder}.]
   To reduce of fine powder or dust, as by beating, grinding, or
   the like; as, friable substances may be pulverized by
   grinding or beating, but to pulverize malleable bodies other
   methods must be pursued.

Source : WordNet®

pulverize
     v 1: make into a powder by breaking up or cause to become dust;
          "pulverize the grains" [syn: {powderize}, {powderise}, {powder},
           {pulverise}]
     2: destroy completely; "the wrecking ball demolished the
        building"; "demolish your enemies"; "pulverize the
        rebellion before it gets out of hand" [syn: {demolish}, {pulverise}]
     3: become powder or dust; "When it was blown up, the building
        powderized" [syn: {powderize}, {pulverise}, {powderise}]