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Word of the Day Wednesday, June 10, 2026

choline

/tʃoʊˈlaɪn/ noun · British & US
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What does choline mean?

noun

A water-soluble vitamin that is essential for various bodily functions, including the synthesis of acetylcholine, a neurotransmitter.

Example

"Choline is an essential nutrient found in foods such as eggs, meat, and soybeans."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for choline

Rhymes with choline