definition of
oxygenise

[1] #1 oxygenise v. [oxygenize] 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). wn

[2] #2 oxygenise v. [oxygenize] dehydrogenate with oxygen. wn

[3] #3 oxygenise v. [oxygenate, oxygenize, aerate] impregnate, combine, or supply with oxygen; "oxygenate blood". wn