Definition of hypo- in English:

hypo-

Syllabification: hypo-
(also hyp-)

prefix

1Under: hypodermic
1.1Below normal: hypoglycemia
1.2Slightly: hypomanic
1.3 Chemistry Containing an element with an unusually low valence: hypochlorous

Origin

from Greek hupo 'under'.

Definition of hypo- in:

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Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…