V2EX insulator

Insulator

定义 Definition

Insulator 是名词,指绝缘体隔热体,即不易导电或导热的材料或装置。在日常生活中也可指起隔离、隔绝作用的事物。

发音 Pronunciation

/n.sj.le.tr/

例句 Examples

The rubber coating acts as an insulator to prevent electric shock.
橡胶涂层起到绝缘体的作用,防止触电。

Because wood is an excellent insulator, many old houses with thick wooden walls stay warm in winter without heavy reliance on modern heating systems.
由于木材是优良的隔热材料,许多有着厚实木墙的老房子在冬天不怎么依赖现代供暖系统也能保持温暖。

词源 Etymology

Insulator 源自拉丁语 insula,意为"岛屿"。其核心含义是"使之成为孤岛",即将某物与外界隔离开来。动词 insulate(隔离、绝缘)在17世纪进入英语,最初用于描述将某物置于孤立状态。后缀 -or 表示"执行动作的人或物",因此 insulator 就是"起隔离作用的东西"。该词在19世纪随着电学的发展而被广泛使用,专指不导电的材料。

关联词 Related Words

ul>
  • Conductor
  • Insulation
  • Insulate
  • Dielectric
  • Resistor
  • Semiconductor
  • Thermal
  • Rubber
  • 文学与学术引用 Literary & Academic References

    • 在 Michael Faraday 的电学实验记录中,insulator 是核心术语之一,用于描述阻止电流通过的物质。
    • Richard Feynman 的《费曼物理学讲义》(The Feynman Lectures on Physics)中大量使用该词,讲解导体与绝缘体的区别。
    • 在科幻小说中,如 Isaac Asimov 的作品里,insulator 常出现在描述太空飞船隔热防护的段落中。
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