Adjacent Words

hypo- definitions

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Merriam Webster's

or hyp- prefix Etymology: Late Latin hypo-, hyp-, from Greek, from hypo — more at up 1. under ; beneath ; down <hypoblast> <hypodermic> 2. less than normal or normally <hypesthesia> <hypotension> 3. in a lower state of oxidation ; in a low and usually the lowest position in a series of compounds <hypochlorous acid> <hypoxanthine>

Oxford Reference Dictionary

prefix (before a vowel or h usu. hyp-) 1 under (hypodermic). 2 below normal (hypoxia). 3 slightly (hypomania). 4 Chem. containing an element combined in low valence (hypochlorous). Etymology: Gk f. hupo under

Webster's 1913 Dictionary

Hypo- Hy"po- [Gr. ? under, beneath; akin to L. sub. See Sub-.] 1. A prefix signifying a less quantity, or a low state or degree, of that denoted by the word with which it is joined, or position under or beneath. 2. (Chem.) A prefix denoting that the element to the name of which it is prefixed enters with a low valence, or in a low state of oxidization, usually the lowest, into the compounds indicated; as, hyposulphurous acid.