Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A hydroxy quaternary ammonium compound with formula (CH3)3N+CH2CH2OHX−. It is an essential nutrient for cardiovascular and brain health and for cell membrane formation.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B
History
Etymology tree Proto-Indo-European *ǵhelh3- Proto-Hellenic *kholā́ Ancient Greek χολή (kholḗ)der. English choline 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.
Across languages
21 source translations are retained for this English entry.
