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WordReference Random House Unabridged Dictionary of American English © 2024be•ta•ine (bē′tə ēn′, -in; bi tā′ēn, -in),USA pronunciation n. [Chem., Pharm.]- Chemistry, Drugs, Drugsa colorless, crystalline, water-soluble, sweet-tasting alkaloid, C5H11NO2, usually obtained from sugar beets or synthesized from glycine, used chiefly in medicine.
Also, be•ta•in (bē′tə in, bi tā′-).USA pronunciation Also called lycine, oxyneurine, trimethylglycine. - Latin bēta beet + -ine2
- 1875–80
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