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]

WordNet (r) 3.0 (2006):

pulverized
    adj 1: consisting of fine particles; "powdered cellulose";
           "powdery snow"; "pulverized sugar is prepared from
           granulated sugar by grinding" [syn: powdered,
           powdery, pulverized, pulverised, small-grained,
           fine-grained]