Share this entry
choline Line breaks: cho|line
Pronunciation: /ˈkəʊliːn/

Definition of choline in English:


[mass noun] Biochemistry
A strongly basic compound important in the synthesis and transport of lipids in the body.
  • Chemical formula: HON(CH3)3CH2CH2OH
Example sentences
  • Found in various forms throughout the body, choline, a member of the vitamin B complex family, is involved in the creation of cell membranes.
  • Inside our bodies, the B vitamins folate and choline work in a delicate balance.
  • Betaine is produced in the body by oxidation of choline, another trimethylated, methyl-donating compound.


Mid 19th century: coined in German from Greek kholē 'bile'.

Definition of choline in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources