oxygenise - verb

• 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)
• dehydrogenate with oxygen
• impregnate, combine, or supply with oxygen

oxygenise - thesaurus

aerate   oxygenate   oxygenize