V2EX reactant

Reactant

释义 Definition

反应物:在化学反应中被消耗、发生变化并生成产物的物质。(常与 product “产物”相对;也可泛指参与反应的起始物质。)

发音 Pronunciation (IPA)

/riktnt/

例句 Examples

A reactant is used up during a chemical reaction.
反应物会在化学反应过程中被消耗。

If the reactant concentration is too low, the reaction rate may slow down significantly.
如果反应物浓度太低,反应速率可能会明显减慢。

词源 Etymology

Reactant 来自 react(反应)+ 名词后缀 -ant(表示“执行某动作的人/物”),字面意思是“发生反应的东西”。该词常见于化学语境,用来指反应开始时参与并被改变的物质。

相关词 Related Words

文学与著名作品用例 Literary Works

  • Charles Dickens, Hard Times(《艰难时世》):以“像化学反应一样”的工业与社会隐喻著称,书中常出现“chemical / chemistry”等词汇(reactant 更偏现代技术用语,作品中通常用更一般的表达)。
  • Primo Levi, The Periodic Table(《元素周期表》):作者以化学为写作框架讨论物质与人生;书中大量涉及反应、试剂与反应过程(现代教材术语 reactant 与其语境高度相关)。
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