Meaning of betaine | Babel Free

Definitions

1. A sweet, crystalline compound (not an alkaloid), trimethylammoniumacetate, found in sugar beet and similar plants, sometimes used to treat muscular degeneracy; the zwitterion (CH₃)₃N⁺CH₂COO⁻
   uncountable
2. Any derivative of this compound.
   countable
3. Any similar compound, based on sulfur or phosphorus etc, having an onium ion with no hydrogen atom adjacent to the anionic atom.
   broadly, countable

Equivalents

CEFR level