Definify.com
Webster 1913 Edition
Hypo-
Hy′po-
.[Gr. [GREEK] 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,
. hypo
sulphurous acidDefinition 2024
hypo-
hypo-
Translingual
Etymology
From Ancient Greek ὑπο- (hupo-), combining form of ὑπό (hupó, “under”).
Prefix
hypo-
Derived terms
<a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:Translingual_words_prefixed_with_hypo-'>Translingual words prefixed with hypo-</a>
Antonyms
English
Prefix
hypo-
- (anatomy) Below; beneath; under.
- (medicine) Deficient; less than normal.
- (chemistry) A name for oxoacid and oxyanions with a low amount of oxygen.
- 2008: Chlorites(I) are the salts of hypochlorous acid. Common examples include sodium hypochlorite (chlorine bleach or bleaching agent) and calcium hypochlorite (bleaching powder). - hypochlorite
- 2008: Hypobromous acid is a weak, unstable acid with chemical formula HBrO. - Hypobromous acid
- hyposulfurous acid
Usage notes
- (chemistry): The use of this prefix is discouraged by IUPAC because the meaning is not consistent across different elements.
Antonyms
- (Anatomical sense):
- (Medical sense): hyper-
- (Chemical sense): per-, e.g. perchloric acid
Derived terms
<a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:English_words_prefixed_with_hypo-'>English words prefixed with hypo-</a>
Terms derived from the hypo- prefix in the anatomical sense
Terms derived from the hypo- prefix in the medical sense
Terms derived from the hypo- prefix in the chemical sense
Synonyms
Translations
Anatomical sense
Medical sense
Chemical sense
Dutch
Pronunciation
Etymology
From Ancient Greek ὑπο- (hupo-), combining form of ὑπό (hupó, “under”). Compare sub-.
Prefix
hypo-
<a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:Dutch_words_prefixed_with_hypo-'>Dutch words prefixed with hypo-</a>
French
Pronunciation
- IPA(key): /ipɔ/
Prefix
hypo-
Derived terms
<a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:French_words_prefixed_with_hypo-'>French words prefixed with hypo-</a>
German
Pronunciation
- IPA(key): /ˈhypo/
Prefix
hypo-
Derived terms
<a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:German_words_prefixed_with_hypo-'>German words prefixed with hypo-</a>