V2EX equiangular

Equiangular

释义 Definition

equiangular(形容词):等角的;指一个图形(常见于多边形)中所有角都相等。在几何中常用于描述“等角多边形”(equiangular polygon)。也可在更广义的数学语境中指“角度相同的”。

发音 Pronunciation

/ikwijlr/

词源 Etymology

来自拉丁语构词成分:**equi-**(“相等”)+ angular(“角的”)。字面意思就是“角度相等的”。该词多用于数学与几何写作中,属于偏学术的描述性词汇。

例句 Examples

An equiangular triangle has three equal angles.
等角三角形有三个相等的内角。

In Euclidean geometry, a polygon can be equiangular without being equilateral.
在欧几里得几何中,一个多边形可以是等角的,但不一定是等边的。

相关词 Related Words

文学与名著用例 Literary Works

  • Euclid, _Elements_(《几何原本》):在讨论多边形性质与角度关系的几何传统中常涉及“等角”概念(现代英文译注与评注中常用 equiangular 来表述)。
  • H. S. M. Coxeter, _Introduction to Geometry_(《几何学导论》):在多边形与对称性章节中常用 equiangular 描述等角多边形及其性质。
  • I. N. Herstein, _Topics in Algebra_(《代数学专题》)(涉及几何/向量空间相关例子或附带讨论的版本与引用中):在与几何结构相关的讲解里可见 equiangular 用法(多见于教材与注释语境)。
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