V2EX nonagon

Nonagon

释义 Definition

nonagon(名词):九边形,指有九条边、九个角的多边形。(在几何语境中最常见;也可泛指九边形图案或形状。)

发音 Pronunciation

/nnn/

例句 Examples

A nonagon has nine sides.
九边形有九条边。

In geometry class, we learned how to calculate the interior angles of a regular nonagon.
在几何课上,我们学习了如何计算正九边形的内角。

词源 Etymology

来自希腊语成分:**nona-**(九)+ -gon(角、边;与“角”有关),字面意思是“九角形/九边形”。这种用数字前缀加 -gon 构成多边形名称的方式在数学英语里很常见。

相关词 Related Words

文学作品中的用例 Literary Works

nonagon更偏数学与技术用语,常见于几何学教材、数学词典、科普读物等;在传统文学名著中出现频率较低。常见载体包括:几何/数学教科书与面向大众的数学科普文本(如讨论多边形分类与性质的章节)。

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