V2EX gamma-ray

Gamma-ray

释义 Definition

伽马射线(γ射线):一种能量极高、波长极短的电磁辐射,通常来自放射性衰变、核反应、宇宙高能天体事件等;具有很强的穿透力。(也常用作定语:gamma-ray burst 伽马射线暴)

发音 Pronunciation

/m re/

例句 Examples

Gamma rays can damage living cells if the exposure is high.
如果剂量很高,伽马射线会损伤活细胞。

Scientists used a gamma-ray telescope to study an explosion in a distant galaxy.
科学家使用伽马射线望远镜研究遥远星系中的一次爆发现象。

词源 Etymology

“Gamma”来自希腊字母Γ(gamma),最早用于按穿透能力对辐射进行分类时,指代比α射线、β射线更具穿透性的辐射;“ray”意为“射线”。后来物理学确认伽马射线本质上是高频电磁波。

相关词 Related Words

文学与作品 Literary Works

  • H. G. Wells《The World Set Free》(1914):作品中涉及放射性与核能想象,常以“rays/辐射”作为关键概念背景(与伽马等高能辐射的科学语境相关)。
  • Primo Levi《The Periodic Table》(1975):以化学与物质世界为主题的散文体作品,讨论放射性与科学经验时会触及高能辐射相关语汇(包括“gamma”在科学语境中的使用)。
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