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ester 中文

EN[ɛstɚ] [ɛstə] [-ɛstə(ɹ)]
(化学) 酯
  • 酯(拼音:zhǐ,注音:ㄓˇ,音同「指」、德文: Ester),是指有机化学中醇與羧酸或无机含氧酸发生酯化反应生成的产物。酯類除了羧酸酯外,也有硝酸、硫酸等無機含氧酸酯。
FR ester
ester
ester

    Definition of ester in English Dictionary

  • 名词 (Noun)PLestersSUF-ster
    1. (organic chemistry) A compound most often formed by the condensation of an alcohol and an acid, with elimination of water, which contains the functional group carbon-oxygen double bond joined via carbon to another oxygen atom.
    2. 更多范例
      1. 用于句中
        • With respect to the cytotoxic effects, compounds 2–7 fall into two groups: the alkyl esters ( 2, 3 ) and the mofetil ester 4 on one hand, and the basic heterocyclic esters 5–7 on the other hand.
        • With respect to the cytotoxic effects, compounds 2–7 fall into two groups: the alkyl esters ( 2, 3 ) and the mofetil ester 4 on one hand, and the basic heterocyclic esters 5–7 on the other hand.
        • Then, lipids were quantified by densitometric scanning at 400–650 nm with triolein, cholesteryl esters and ergosterol (ERG) as standards using a Shimadzu dual-wave length chromatoscanner CS-930.
    • 词类阶层 (Part-of-Speech Hierarchy)
      1. 名词
        • 可数名词
      相关连结:
      1. fr ester
      2. en esters
      3. fr esters
      4. en esterase
      5. en esterize
      资料来源: 维基词典

      Meaning of ester for the defined word.

      在语法上,这个单字"ester"是一个名词,更具体地来说,是一个可数名词
      困难度: 级别 7
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      容易     ➨     困难
      明确性: 级别 8
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      明确的    ➨     多用途
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