| a prefix appearing in loanwords from Greek, where it meant “under” (hypostasis); on this model used, especially as opposed to hyper-, in the formation of compound words (hypothyroid). |
| hypo- or hyp- pref.
[Greek hupo-, from hupo, under, beneath; see upo in Indo-European roots.] |
hypo- or hyp-
pref.
Below; beneath; under: hypochondriac.
Less than normal; deficient: hypofunction.
In the lowest state of oxidation: hypoxanthine.
