hypoxic

Of, pertaining to, or suffering from hypoxia.

Chronic obstructive pulmonary disease had left her hypoxic and wheezing.

Describing a breathing gas mixture that contains less than 21% oxygen.

Rarely, nitrox mixtures are intentionally hypoxic, under special conditions.

Exhibiting hypoxia.

Dead zones are hypoxic areas in the world's oceans and large lakes.