Hypo-
Pronunciation
- RP IPA: /ˈhaɪpəʊ/
Origin
From Ancient Greek ὑπο-, combining form of ὑπό (hypó, "under"). Compare sub-.
Full definition of hypo-
Prefix
- (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). - hypochlorite2008: Hypobromous acid is a weak, unstable acid with chemical formula HBrO. - Hypobromous acidhyposulfurous 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