V2EX endothermic

Endothermic

定义 Definition

adjective 形容词

指化学反应或过程中吸收热量的。在吸热反应中,系统从周围环境中吸取能量,导致周围温度下降。与"放热反应"(exothermic)相对。

发音 Pronunciation

/ndoθrmk/

例句 Examples

The melting of ice is an endothermic process because it absorbs heat from its surroundings.
冰的融化是一个吸热过程,因为它从周围环境中吸收热量。

In an endothermic reaction, the products possess more energy than the reactants, which is why external heat must be continuously supplied to sustain the process.
在吸热反应中,产物所含的能量高于反应物,因此必须持续提供外部热量才能维持反应的进行。

词源 Etymology

该词源自希腊语。endo- 来自希腊语 endon,意为"在内部";therm 来自希腊语 thermē,意为"热";后缀 -ic 表示"具有……性质的"。合在一起即"将热量吸收到内部的",最早于19世纪由法国化学家马塞兰贝特洛(Marcellin Berthelot)引入科学术语中,用以描述吸收热量的化学反应。

相关词汇 Related Words

文学与学术引用 Literary References

  • 在阿特金斯(Peter Atkins)的经典教材《Physical Chemistry》中,endothermic 是阐述热力学第一定律和焓变概念的核心术语。
  • 在理查德费曼(Richard Feynman)的《The Feynman Lectures on Physics》中,该词被用于解释能量守恒与热交换的基本原理。
  • 在中学及大学化学教育中,该词常与光合作用(photosynthesis)一同出现,因为光合作用本身就是一个典型的吸热过程。
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