lecithin

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noun lec·i·thin \ˈle-sə-thən\

Definition of lecithin

: any of several waxy hygroscopic phospholipids that are widely distributed in animals and plants, form colloidal solutions in water, and have emulsifying, wetting, and antioxidant properties; also : a mixture of or substance rich in lecithins

Recent Examples of lecithin from the Web

The chocolate was melted down and thinned with water, and then soy lecithin was added to make an emulsion.

— kathy ceceri, WIRED, "Molecular Cuisine Kit from ThinkGeek: 100% Artificial Ingredients", 26 June 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lecithin'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of lecithin

International Scientific Vocabulary, from Greek lekithos yolk of an egg

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First Known Use: 1861

See Words from the same year

Medical Dictionary

lecithin

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noun lec·i·thin \ˈles-ə-thən\

Medical Definition of lecithin

: any of several waxy hygroscopic phospholipids in which phosphatidic acid has formed an ester with choline and which are widely distributed in animals and plants, form colloidal solutions in water, and have emulsifying, wetting, and antioxidant properties; also : a mixture of or a substance rich in lecithins—called also phosphatidylcholine