超伝導

• 読み: ちょうでんどう
• ローマ字: chōdendō
• 漢字の分解: 超 (chō/ko-) — super, surpass; 伝 (den/tsuta-) — transmit, convey; 導 (dō/michibi-) — guide, conduct
• 発音: /tɕoː.de.ɴ.doː/

意味

Superconductivity; the phenomenon in which certain materials exhibit zero electrical resistance and expel magnetic fields when cooled below a critical temperature.

A noun describing one of the most remarkable quantum phenomena in condensed matter physics. Superconductors are classified as Type I or Type II based on their behaviour in magnetic fields. Applications include MRI magnets, particle accelerators, and maglev trains. The search for room-temperature superconductors remains an active research frontier.

例文

1. 超伝導体は臨界温度以下で電気抵抗がゼロになるという驚くべき性質を持つ。
2. 超伝導を利用したリニアモーターカーは強力な磁力で車体を浮上させる。
3. 室温で機能する超伝導材料の開発は物性物理学の長年の目標だ。

使い方ガイド

場面: physics, materials science, engineering, energy technology

トーン: neutral

起源と歴史

Compound of 超 (chō — super, beyond) and 伝導 (dendō — conduction, transmission). The term translates the German 'Supraleitung' coined after Kamerlingh Onnes's 1911 discovery.

文化的背景

時代: Modern

世代: Students and professionals

社会的背景: Technical