V2EX freezing point

Freezing Point

Definition 定义

冰点;凝固点:液体在标准条件下开始从液态变为固态的温度。最常见的例子是水的冰点为 0°C(32°F)(在 1 个大气压下)。在科学语境中也常指某种溶液或物质的凝固温度(可能因盐分、杂质或压力而改变)。

Pronunciation 发音

/friz pnt/

Examples 例句

Water reaches its freezing point at 0°C.
水在 0°C 达到冰点。

Because salt lowers the freezing point, roads are less icy after they’re salted in winter.
因为盐会降低凝固点,所以冬天撒盐后道路不那么容易结冰。

Etymology 词源

freeze(结冰、冻结)+ -ing(构成动名词/形容词形式)+ point(点、界限、临界点)组成,字面意思是“开始冻结的临界点”,因此引申为“冰点/凝固点”。

Related Words 相关词

Literary Works 文学与著作

  • 《The Feynman Lectures on Physics》(费曼物理学讲义):在讲解热学、相变与温度概念时常用到“freezing point”等日常物理术语。
  • 《CRC Handbook of Chemistry and Physics》:以数据表形式大量出现“freezing point”,用于列出物质的凝固点/冰点等物性参数。
  • 《Twenty Thousand Leagues Under the Seas》(《海底两万里》, Jules Verne):作品中穿插海洋与自然科学讨论时会涉及冰、水与温度等概念,包含“freezing point”这类表达。
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