• WordNet 3.6
    • n betaine a sweet tasting alkaloid that occurs in sugar beets
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Webster's Revised Unabridged Dictionary
    • n Betaine (Chem) A nitrogenous base, C5H11NO2, produced artificially, and also occurring naturally in beet-root molasses and its residues, from which it is extracted as a white crystalline substance; -- called also lycine and oxyneurine. It has a sweetish taste.
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Webster's Revised Unabridged Dictionary
From beta, generic name of the beet


In literature:

Betaine and choline often occur together in the germs of many plants.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher

In news:

Colonial Launches HMW Betaine.
Cocamidopropyl betaine and sodium laureth sulfate (cleanse).