betaine
/ˈbiːtəiːn/noun
mass noun
1- Chemistry a crystalline compound with basic properties found in many plant juices【化】甜菜碱, 三甲铵乙内酯。
1.1
- Chem. Formula: (CH3)3N+- CH2CO-2.化学分子式： (CH3)3N+- CH2CO-2.
1.2
- count noun any zwitterionic compound of the type represented by this内铵盐, 三甲（基）铵内酯（类名）。
词源
mid 19th cent.: formed irregularly from Latin beta 'beet' (because originally isolated from sugar beet) + -INE4.