from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Deficiency in the amount of oxygen reaching body tissues.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. oxygen deficiency causing a very strong drive to correct the deficiency
Sorry, no etymologies found.