betaine

n. [化]甜菜碱, 三甲铵乙内酯

词形变化

betaines 复数 betaines

别名

betain

释义与例句

n.
  1. 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⁻

    甜菜碱

    不可数 化学 可数
  2. 2.

    Any derivative of this compound.

    可数 化学 不可数
  3. 3.

    Any similar compound, based on sulfur or phosphorus etc, having an onium ion with no hydrogen atom adjacent to the anionic atom.

    可数 化学 引申义 不可数

词汇关系

名词

上位词 1

alkaloid

相关短语

cocamidopropyl betaine

词源

Etymology tree Latin bēta Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English betaine From New Latin, from Latin bēta (“beet”) + -ine.

来源：wiktionary