Source : Webster's Revised Unabridged Dictionary (1913)

Oxygenize \Ox"y*gen*ize\, v. t. [imp. & p. p. {Oxygenized}; p
   pr. & vb. n. {Oxygenizing}.] (Chem.)
   To oxidize.

Source : WordNet®

oxygenize
     v 1: change (a compound) by increasing the proportion of the
          electronegative part; or change (an element or ion) from
          a lower to a higher positive valence: remove one or more
          electrons from (an atom, ion, or molecule) [syn: {oxygenise}]
     2: dehydrogenate with oxygen [syn: {oxygenise}]
     3: impregnate, combine, or supply with oxygen; "oxygenate
        blood" [syn: {oxygenate}, {oxygenise}, {aerate}]