hypo-

English

Etymology

From Ancient Greek ὑπο- (hypo-), combining form of ὑπό (hypó, “under”). Compare sub-.

Pronunciation

• (RP) IPA: /ˈhaɪpəʊ/

Prefix

hypo-

1. (anatomy) Below; beneath; under.
2. (medicine) Deficient; less than normal.
3. (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). - w:hypochlorite

   2008: Hypobromous acid is a weak, unstable acid with chemical formula HBrO. - w: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

[+] English words prefixed with hypo-

Terms derived from the hypo- prefix in the anatomical sense

hypodermic

hypothalamus

Terms derived from the hypo- prefix in the medical sense

hypocalcaemia, hypocalcemia hypoglycaemia, hypoglycemia hyposplenism

hypotension, hypotensive hypothermia hypothyroidism hypopituitarism

Terms derived from the hypo- prefix in the chemical sense

hyposulphate

Synonyms

• (Anatomical sense): sub- (Latinate)
• (Medical sense): sub- (Latinate)
• (Chemical sense):

Translations

Anatomical sense

• German: hypo- (de)
• Greek: υπο- (el) (ypo-)

• Italian: ipo- (it)

Medical sense

• German: hypo- (de)
• Greek: υπο- (el) (ypo-)

• Italian: ipo- (it)

Chemical sense

• German: hypo- (de)
• Greek: υπο- (el) (ypo-)

• Hindi: उन- (hi) (un)
• Italian: ipo- (it)

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

Translations to be checked

• French: hypo- (fr)

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French

Pronunciation

• IPA: /ipɔ/, X-SAMPA: /ipO/

Prefix

hypo-

1. hypo-

Derived terms

[+] French words prefixed with hypo-

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German

Pronunciation

• IPA: /ˈhypo/

Prefix

hypo-

1. hypo-

Derived terms

[+] German words prefixed with hypo-