Underoxygenated

This concept assumes that all underoxygenated blood in the arteries comes from a true shunt, a passage through the lungs with no oxygenation.

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We speculate that applying pressure to an underoxygenated sample of YBa₂Cu₃O_(7-y) with oxygen defects may reduce the time that the sample needs to be annealed at room temperature to cause a given T_c increase.

Source: wiktionary

Researchers are reporting what I've long suspected—that most people are underoxygenated all day long.

Source: wiktionary

Very obvious diacetyl flavor may indicate other problems, such as extremely warm fermentation temperatures, unhealthy yeast, underoxygenated wort, or bacterial contamination.

Source: wiktionary