V2EX antimatter

Antimatter

释义 Definition

反物质:由反粒子组成的物质,反粒子与普通物质粒子质量相同但某些量子性质(如电荷)相反。反物质与物质相遇会发生湮灭,释放大量能量。(该词也可在科幻语境中泛指“极其强大/危险的能量或武器材料”。)

发音 Pronunciation

/ntimtr/

例句 Examples

Antimatter is extremely rare in nature.
反物质在自然界中极其罕见。

Scientists use magnetic fields to trap antimatter so it doesn’t touch the walls and annihilate.
科学家用磁场来捕获反物质,以免它接触容器壁而发生湮灭。

词源 Etymology

anti- 表示“相反、对立”,matter 表示“物质”。“antimatter(反物质)”这一术语在20世纪物理学发展中逐渐固定,用来指代与普通物质在关键性质上相反的“对应物质”。

相关词 Related Words

文学作品与著名文本 Literary Works

  • Dan Brown《Angels & Demons》(《天使与魔鬼》):以“反物质”作为情节核心装置与象征性威胁来源,多次出现该词。
  • Isaac Asimov《The Gods Themselves》(《神们自己》):涉及平行宇宙与物质相互作用的设定,常以“反物质/反粒子”等相关术语讨论能量与物理边界。
  • Greg Egan《Permutation City》(《置换城市》):在硬科幻语境中讨论物理与信息的极端设定,包含与反物质概念相关的科学词汇与推演。
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