oxygenate ox·y·gen·ate (ŏk'sĭ-jə-nāt') or ox·y·gen·ize (-jə-nīz')
v. ox·y·gen·at·ed or ox·y·gen·ized, ox·y·gen·at·ing or ox·y·gen·iz·ing, ox·y·gen·ates or ox·y·gen·iz·es
To treat, combine, or infuse with oxygen.
oxygenation ox·y·gen·a·tion (ŏk'sĭ-jə-nā'shən)
n.
The addition of oxygen to a chemical substance or physical system.