Source : Webster's Revised Unabridged Dictionary (1913)

Pasteurize \Pas*teur"ize\, v. t.
   1. To subject to pasteurization.

   2. To treat by pasteurism.

Source : WordNet®

pasteurize
     v : heat food in order to kill harmful microorganisms;
         "pasteurize milk" [syn: {pasteurise}]