V2EX electromagnetic

Electromagnetic

Definition / 释义

“电磁的;与电和磁有关的”。常用来描述电磁波、电磁场或由电与磁共同产生/表现的现象。(也可指“电磁学的”。)

Pronunciation (IPA) / 发音(IPA)

/lktrmntk/

Examples / 例句

The radio uses electromagnetic waves to send signals.
收音机使用电磁波来传递信号。

Scientists studied how electromagnetic fields affect the movement of charged particles in the upper atmosphere.
科学家研究电磁场如何影响高层大气中带电粒子的运动。

Etymology / 词源

由 **electro-**(“电”,源自希腊语 ēlektron,原义与“琥珀”相关,因琥珀摩擦会产生静电)+ magnetic(“磁的”,与“磁石/磁铁”相关)组合而成。该词体现了物理学中“电与磁相互关联”的概念,常与“电磁学(electromagnetism)”一起出现。

Related Words / 相关词

In Notable Works / 文学与经典著作中的用例

  • A Brief History of Time(Stephen Hawking)讨论自然界基本相互作用时会涉及“电磁(electromagnetic)”相关表述。
  • Cosmos(Carl Sagan)在介绍光、辐射与宇宙信息传播时常出现“electromagnetic”。
  • The Feynman Lectures on Physics(Richard P. Feynman)讲解电与磁统一理论时频繁使用“electromagnetic”。
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