Primary
''choline'' ▫ᴱᴺ｜Definition｜1st｜20260331180822-00-⌔
choline - Wiktionary, the free dictionary
English
Noun
choline (usually uncountable, plural cholines)
- (organic chemistry) A hydroxy quaternary ammonium compound with formula (CH) N CH CH OH X. It is an essential nutrient for cardiovascular and brain health and for cell membrane formation.
Etymology
Coined from Ancient Greek χολή (kholḗ, “bile”).
The chemical compound was first isolated by Adolph Strecker from pig and ox bile (hence the name) in 1862. It was also named neurine when chemically synthesized by Oscar Liebreich in 1865, until 1898 when shown to be identical to choline.
Pronunciation
- (US) IPA: /ˈkoʊliːn/
- Audio (Southern England): 🔊
Printed 2026-06-28.
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