deoxidizes

First the plant collects its carbon compounds from the air in the oxidized state; it deoxidizes and rebuilds them: and then the animal proceeds to burn them up by slow combustion within his own body, and to turn them loose upon the air, once more oxidized.

Science in Arcady Grant Allen 1873

"These are necessarily the converse of each other: the one deoxidizes and accumulates, the other oxidizes and expends."

What is Darwinism? Charles Hodge 1837

_immediate action_ of the solar rays is not exerted on these salts, but on the iron contained in the ferruginous solution added to them, which it deoxidizes or otherwise alters, thereby presenting it to the ferrocyanic salts in such a form as to precipitate the acids in combination with the peroxide, or protoxide of iron, as the case may be.

Photographic Reproduction Processes Peter C. Duchochois