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ester

noun
/ˈestə(r)/
/ˈestər/
(chemistry化学)
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  1. a chemical that is formed by the reaction between an acid and an alcohol. Esters made from acids that contain carbon are generally sweet-smelling.酯(由有机酸和醇形成的芳香物质)
    Word Originmid 19th cent.: from German, probably from a blend of Essig ‘vinegar’ and Äther ‘ether’.

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