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From Biology-Online Dictionary | Biology-Online Dictionary
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(1) Excessive oxygen, elevated oxygen tension.

(2) Pertaining to, or suffering from hyperoxia.


Hyperoxic tissues may occur as a result of breathing molecular oxygen at higher partial pressures. The harmful effects of excessive presence of oxygen in tissues or organs are often seen on the CNS, lungs and eye.

Compare: hypoxic.
See also: hyperoxia, oxygen toxicity.