n. A condition in which tissues (especially the blood) are deprived of an adequate supply of oxygen; anoxia
n. A reduced concentration of dissolved oxygen in an aquatic environment.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. oxygen deficiency causing a very strong drive to correct the deficiency
Word Usage
"Unsuspected obstructive fetal neck masses often prove fatal because of an inability to secure an airway and ventilate the neonate, which results in hypoxia and acidosis."