hypoxic

adjective3

1. •
   Of, pertaining to, or suffering from hypoxia.

   • Chronic obstructive pulmonary disease had left her hypoxic and wheezing.
2. •
   Describing a breathing gas mixture that contains less than 21% oxygen.

   • Rarely, nitrox mixtures are intentionally hypoxic, under special conditions.
3. •
   Exhibiting hypoxia.

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