The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pulverize \Pul"ver*ize\, v. i.
   To become reduced to powder; to fall to dust; as, the stone
   pulverizes easily.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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