A moment of silence for all those microbes who died in the oxygenation of Earth's atmosphere.
So as they cool the plant down, the rate of oxygenation will also go down.
oxygenation ox·y·gen·a·tion (ŏk'sĭ-jə-nā'shən)
The addition of oxygen to a chemical substance or physical system.
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.