oxygenation

from WordNet (r) 3.0 (2006)

oxygenation
    n 1: the process of providing or combining or treating with
         oxygen; "the oxygenation of the blood"

from The Collaborative International Dictionary of English v.0.48

Oxygenation \Ox`y*gen*a"tion\, n. [Cf. F. oxyg['e]nation.]
   (Chem.)
   The act or process of combining or of treating with oxygen;
   oxidation.
   [1913 Webster]