The Collaborative International Dictionary of English v.0.48:

Volatilize \Vol"a*til*ize\, v. t. [imp. & p. p. Volatilized;
   p. pr. & vb. n. Volatilizing.] [Cf. F. volatiliser.]
   To render volatile; to cause to exhale or evaporate; to cause
   to pass off in vapor.
   [1913 Webster]

         The water . . . dissolving the oil, and volatilizing it
         by the action.                           --Sir I.
                                                  Newton.
   [1913 Webster]