Source : Webster's Revised Unabridged Dictionary (1913)

Deoxidize \De*ox"i*dize\, v. t. (Chem.)
   To deprive of oxygen; to reduce from the state of an oxide.

Source : WordNet®

deoxidize
     v : to remove oxygen from a compound, or cause to react with
         hydrogen or form a hydride, or to undergo an increase in
         the number of electrons [syn: {deoxidise}, {reduce}]
         [ant: {oxidize}, {oxidize}]