单词 | betaine |
释义 | Word Frequency betaine(ˈbiːtəˌiːn, -ɪn, bɪˈteɪiːn, -ɪn) noun 1. a sweet-tasting alkaloid that occurs in the sugar beet and other plants and in animals. Formula: C5H11NO2 2. (plural) a group of chemical compounds that resemble betaine and are slightly basic zwitterions Word origin C19: from New Latin Bēta beet + -ine2 |
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