| 单词 | ester |
| 释义 | ester n. Chem. any of a class of organic compounds produced by replacing the hydrogen of an acid by an alkyl, aryl, etc. radical, many of which occur naturally as oils and fats. Derivatives esterify v.tr. (-ies, -ied). Etymology: G, prob. f. Essig vinegar + {Auml}ther ether |
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