V2EX denominator

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Denominator

释义 Definition

（分数中的）分母：分数线下面的数，表示把整体分成多少等份。也可引申为“共同的基础/共同点”（常见于 common denominator）。

发音 Pronunciation (IPA)

/dnmnet(r)/（英）
/dnmnetr/（美）

例句 Examples

The denominator of 3/4 is 4.
3/4 的分母是 4。

We need a common denominator to compare these fractions and find a solution everyone can accept.
我们需要一个公分母来比较这些分数，并找到一个大家都能接受的解决办法。

词源 Etymology

Denominator 来自拉丁语 denominare（“命名、称呼”），由 **de-**（使……成为）+ nomen（名字）构成。早期含义与“命名/称呼”相关，后来在数学中固定指“用来标示分数整体被分成多少份的那个数”，即“分母”。

相关词 Related Words

文学作品 Literary Works

Lewis Carroll Alice’s Adventures in Wonderland（书中多处出现数学与逻辑表达，常涉及分数与“共同基础”等语境）
H.G. Wells The Time Machine（叙述中偶见以数学术语作比喻的表达，可见 common denominator 一类用法）
George Orwell Politics and the English Language（讨论语言与思想时常用“共同点/共同基础”类措辞，denominator 可出现在相关比喻语境中）

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