V2EX adimensional

Adimensional

Definition / 释义

adimensional(形容词,较少用):无量纲的;不带单位维度的。常用于数学、物理、工程语境,意义接近 dimensionless / nondimensional。(在一般英语中更常用 dimensionless。)

Pronunciation / 发音

/dmnnl/

Examples / 例句

The coefficient is adimensional, so it has no units.
这个系数是无量纲的,所以没有单位。

To compare different systems fairly, the researchers rewrote the equations in an adimensional form using characteristic scales.
为了公平比较不同系统,研究人员用特征尺度把方程改写成无量纲形式。

Etymology / 词源

由前缀 a-(表示“无、非”)+ dimensional(“有维度的/有量纲的”)构成,字面意思是“无维度的”。在英语中多见于技术写作,很多场合会被更常见的 dimensionless 替代。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Barenblatt, **Scaling, Self-Similarity, and Intermediate Asymptotics**(应用数学与物理语境中讨论“无量纲/尺度化”变量;部分英文写作中可见 adimensional 这一用词)
  • Langhaar, **Dimensional Analysis and Theory of Models**(与“无量纲化”相关的经典主题;在部分技术表述中可能出现 adimensional,但更常见用词为 dimensionless
  • 工程与流体力学的“相似理论/无量纲数”相关教材与论文(该词更常见于国际化学术写作中;主流英语文学作品中较少出现)
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