oxidate

from WordNet (r) 3.0 (2006)

oxidate
    v 1: enter into a combination with oxygen or become converted
         into an oxide; "This metal oxidizes easily" [syn:
         {oxidise}, {oxidize}, {oxidate}]
    2: add oxygen to or combine with oxygen [syn: {oxidize},
       {oxidise}, {oxidate}] [ant: {deoxidise}, {deoxidize},
       {reduce}]

from The Collaborative International Dictionary of English v.0.48

Oxidate \Ox"i*date\, v. t. [imp. & p. p. {Oxidated}; p. pr. &
   vb. n. {Oxidating}.] [Cf. f. oxyder. See {Oxide}.] (Chem.)
   To oxidize. [Obs.]
   [1913 Webster]