hypo–

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1. Below; beneath; under: hypodermic.
2. Less than normal; deficient: hypoesthesia.
3. In the lowest state of oxidation: hypoxanthine.

[Greek hupo-, from hupo, under, beneath.]

1. Below; beneath; under: hypochondriac.
2. Less than normal; deficient: hypofunction.
3. In the lowest state of oxidation: hypoxanthine.