V2EX melting point

Melting Point

定义 Definition

melting point 是一个科学术语,指固体物质在标准大气压下从固态转变为液态时的温度。也可以比喻性地用于描述某人情感上无法再忍受或抵抗的临界点。

发音 Pronunciation

/mlt pnt/

例句 Examples

The melting point of ice is 0 degrees Celsius.
冰的熔点是摄氏零度。

Scientists discovered that the alloy has an unusually high melting point, making it ideal for use in jet engine components.
科学家发现这种合金的熔点异常之高,因此非常适合用于喷气发动机部件。

词源 Etymology

melting pointmelting(融化)和 point(点、温度点)组合而成。melt 源自古英语 meltan,意为"融化、溶解",可追溯至原始日耳曼语 meltanpoint 源自古法语 point,最终来自拉丁语 punctum,意为"刺点、精确位置"。该词组作为科学术语在18世纪开始广泛使用,随着化学和物理学的发展而成为标准术语。

相关词汇 Related Words

文学作品引用 Literary References

  • 在雷布拉德伯里(Ray Bradbury)的经典科幻小说《华氏451度》(Fahrenheit 451)中,书名本身就是纸张的燃点(着火点),与 melting point 属于同一类物理临界温度概念,全书围绕物质状态改变的温度隐喻展开。
  • 在普里莫莱维(Primo Levi)的《元素周期表》(The Periodic Table)中,作者以化学家的视角频繁提及各种元素的 melting point,将科学术语与人生经历巧妙交织。
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