英语词汇“ester”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

es•ter n. [Chem.]

Chemistrya compound produced by the reaction between an acid and an alcohol with the elimination of a molecule of water, as ethyl acetate, C₄H₈O₂, or dimethyl sulfate, C₂H₆SO₄.

coined by Latin. Gmelin (1788–1853), German chemist 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::

ester /ˈɛstə/ n

any of a class of compounds produced by reaction between acids and alcohols with the elimination of water. Esters with low molecular weights, such as ethyl acetate, are usually volatile fragrant liquids; fats are solid esters

Etymology: 19th Century: from German, probably a contraction of Essigäther acetic ether, from Essig vinegar (ultimately from Latin acētum) + Äther ether

单词	ester
释义	WordReference Random House Unabridged Dictionary of American English © 2024 es•ter (es′tər),USA pronunciation n. [Chem.] Chemistrya compound produced by the reaction between an acid and an alcohol with the elimination of a molecule of water, as ethyl acetate, C₄H₈O₂, or dimethyl sulfate, C₂H₆SO₄. coined by Latin. Gmelin (1788–1853), German chemist 1850–55 Collins Concise English Dictionary © HarperCollins Publishers:: ester /ˈɛstə/ n any of a class of compounds produced by reaction between acids and alcohols with the elimination of water. Esters with low molecular weights, such as ethyl acetate, are usually volatile fragrant liquids; fats are solid esters Etymology: 19th Century: from German, probably a contraction of Essigäther acetic ether, from Essig vinegar (ultimately from Latin acētum) + Äther ether
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