V2EX surface tension

Surface Tension

定义 Definition

名词短语 液体表面由于分子间引力而形成的一种张力,使液面趋向收缩至最小面积。比喻义上也可指人际关系或社会环境中潜在的紧张状态。

发音 Pronunciation

/sr.fs tn.n/

例句 Examples

Water forms droplets because of surface tension.
水因为表面张力而形成水滴。

The surface tension of the liquid was so strong that the needle floated on the water without sinking.
液体的表面张力非常强,以至于针能浮在水面上而不下沉。

词源 Etymology

surface 源自法语,由 sur(在……之上)和 face(面)组成,意为"表面"。tension 源自拉丁语 tensio,意为"拉伸、绷紧",来自动词 tendere(拉伸)。两个词组合在一起,字面意思是"表面的拉力"。该术语最早在19世纪物理学中被正式使用,用来描述液体表面分子之间相互吸引所产生的力。

相关词汇 Related Words

文学作品引用 Literary References

  • 詹姆斯布利什(James Blish)的科幻短篇小说 Surface Tension(1952)是一部经典之作,讲述了微观世界中生物突破水面张力的故事,将这一物理概念转化为深刻的生存隐喻。
  • 在许多科学写作和科普作品中,surface tension 常被用来解释自然现象,例如理查德费曼(Richard Feynman)在 The Feynman Lectures on Physics 中对该概念有精彩的阐述。
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