V2EX ethyl

Ethyl

定义 Definition

ethyl(乙基):有机化学中常见的烃基,结构为 CH,常作为取代基出现在许多化合物名称中(如 ethyl acetate 乙酸乙酯)。也可作名词指“乙基”本身。

发音 Pronunciation

/θal/

例句 Examples

Ethyl alcohol is also called ethanol.
乙醇也叫乙基醇(ethyl alcohol)。

The fragrance was traced to an ethyl ester formed during fermentation.
这种香味被追溯到发酵过程中生成的一种乙基酯。

词源 Etymology

ethyl 来自 ether(醚) 的词干 *eth-*,历史上与早期化学对“由醚/酒精相关物质衍生的基团”的命名有关;后在有机化学体系中固定为表示 CH(乙基) 的术语。

相关词 Related Words

文学与著名作品 Literary Works

  • 普里莫莱维(Primo Levi)《元素周期表》(The Periodic Table)以化学与物质为叙述核心的散文/回忆录体作品,常涉及有机化学术语(包括乙基相关表述)。
  • 奥利弗萨克斯(Oliver Sacks)《钨舅舅》(Uncle Tungsten)化学科普回忆录,讨论实验与化学物质时常出现如乙基等基团/化合物命名。
  • 默克索引》(The Merck Index)经典化学与药物参考书,系统收录大量含 ethyl- 前缀的化合物名称。
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