'Betaine' definitions:
Definition of 'betaine'
(from WordNet)
noun
A sweet tasting alkaloid that occurs in sugar beets
Definition of 'Betaine'
From: GCIDE
- Betaine \Be"ta*ine\, n. [From beta, generic name of the beet.] (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. [1913 Webster]