V2EX infinitesimal

Infinitesimal

定义 Definition

adjective / noun 极小的,无穷小的;微不足道的。作为名词时指"无穷小量",常用于数学领域。

发音 Pronunciation

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词源 Etymology

源自现代拉丁语 infinitesimus,由 infinitus(无限的)加上类似 centesimus(百分之一)的序数后缀构成,字面意思是"无限分之一"。该词在17世纪随微积分的发展而广泛使用,莱布尼茨和牛顿在建立微积分理论时大量使用了"无穷小量"这一概念。

例句 Examples

The difference between the two measurements was infinitesimal.
这两个测量值之间的差异微乎其微。

Even an infinitesimal change in temperature can trigger a cascade of chemical reactions in a highly sensitive experiment.
在高度敏感的实验中,即使是极其微小的温度变化也能引发一连串的化学反应。

相关词汇 Related Words

文学作品引用 Literary References

  • 在乔纳森斯威夫特的《格列佛游记》(Gulliver's Travels)中,小人国的描写体现了对"极小"概念的文学想象,与 infinitesimal 的意涵相呼应。
  • 在数学史经典著作《无穷小:一个危险的数学理论如何塑造了现代世界》(Infinitesimal: How a Dangerous Mathematical Theory Shaped the Modern World, Amir Alexander, 2014)中,该词是核心主题,讲述了无穷小量概念在历史上引发的激烈争论。
  • 弗拉基米尔纳博科夫在《洛丽塔》(Lolita)中使用过该词,以精确而富有学术气息的方式描写细微的感受与变化。
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