Deoxygenation :: Deoxygenation (n.) The act or operation of depriving of oxygen.
Oxygenate :: Oxygenate (v. t.) To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide)..
Oxygenation :: Oxygenation (n.) The act or process of combining or of treating with oxygen; oxidation.