oxidise

from WordNet (r) 3.0 (2006)

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

from The Collaborative International Dictionary of English v.0.48

oxidise \oxidise\, oxidised \oxidised\v. t. & i. (Chem.)
   Same as {oxidize} and {oxidized}. [Chiefly Brit.]
   [WordNet 1.5]