V2EX enneagonal

Enneagonal

释义 Definition

enneagonal(形容词):九角的;九边形的;与九边形(enneagon)有关的。(在数学/几何语境中使用较多)

发音 Pronunciation

/n.i..nl/

例句 Examples

The park has an enneagonal fountain.
公园里有一个九边形的喷泉。

In the diagram, the enneagonal shape is divided into triangles to calculate its area more easily.
在图示中,这个九边形被分成若干三角形,以便更容易计算它的面积。

词源 Etymology

来自希腊语构词成分:ennea-(九)+ -gonal / -gonia(角;与角相关),字面意思就是“九个角的”。与名词 enneagon(九边形)同源。

相关词 Related Words

文学与作品 Literary Works

  • Thomas H. Heath(译注),The Thirteen Books of Euclid’s Elements(《欧几里得〈几何原本〉十三卷》):在几何图形与多边形讨论的学术语境中可见相关用法与术语体系(如多边形及其形容词形式)。
  • H. S. M. CoxeterIntroduction to Geometry(《几何学导论》):涉及多边形分类与性质时,常使用如 -gonal 这类形容词构词来描述图形。
  • 多部英文几何/数学术语词典平面几何教材(如 Dictionary of GeometryPlane Geometry 相关教材)中收录并使用该词,用于精确描述“九边形的/九角的”结构。
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