But the green chlorophane, key to the freshening and re-oxygenation of air, was getting slightly pale.
"The Planet Strappers"
Raymond Zinke Gallun
Fermentation is a subsequent low combustion of the vegetable oxydes or grain, that has undergone a previous, but partial combustion, something like the slightly charring, or oxydating of wood or pit-coal, by which the oxygenation is incomplete in both, and rendered more complete in the former.
"The American Practical Brewer and Tanner"
Joseph Coppinger
At those times his blood seems to require a very rapid oxygenation, and he goes to the 'sharps' to obtain it: but when he is feeding and fattening, the water cannot be too still for him.
"Prose Idylls"
Charles Kingsley