V2EX diamagnetic

Diamagnetic

定义 Definition

diamagnetic(抗磁性的;抗磁的):指材料在外加磁场中会产生与磁场方向相反的微弱磁化,从而被轻微排斥。这是许多物质的普遍性质(如水、铜、铋等);与顺磁性铁磁性相对。(该词也常与 diamagnetism “抗磁性”一起出现。)

发音 Pronunciation(IPA)

/damntk/

词源 Etymology

由 **dia-**(源自希腊语,意为“穿过、相反、分离”)+ magnetic(“磁的”)构成,字面含义可理解为“在磁性作用上呈相反方向的”,对应其“对外磁场产生反向响应”的物理特征。

例句 Examples

Water is diamagnetic, so it is weakly repelled by a magnet.
水具有抗磁性,因此会被磁体轻微排斥。

Bismuth is strongly diamagnetic compared with many metals, which makes its magnetic response easier to demonstrate in experiments.
与许多金属相比,铋的抗磁性更强,因此在实验中更容易演示其磁响应。

相关词 Related Words

文学与作品 Notable Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》)在讨论物质的磁性分类时使用 diamagnetic/diamagnetism
  • Introduction to Electrodynamics(David J. Griffiths,《电动力学导论》)在介质与磁化、磁化率等章节中常出现该术语。
  • Electricity and Magnetism(Edward M. Purcell,《电与磁》)讲解磁性来源、材料响应时会用到该词。
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