V2EX tetra-

TETRA-

释义 Definition

tetra- 是一个英语(源自希腊语)的前缀,意思是“”“由四个组成”“含四个单位”。常见于科学术语(化学、几何、生物等)。也可见于少量日常词汇(如 tetrahedron)。此外还有较少见的用法与“四分之一/四”相关的构词。

发音 Pronunciation (IPA)

/ttr/

例句 Examples

Tetra- means “four,” as in “tetrahedron.”
tetra- 的意思是“四”,例如 tetrahedron(四面体)。

A carbon atom forms a tetrahedral arrangement in methane, giving the molecule its characteristic shape.
在甲烷中,碳原子形成四面体式的排列,使该分子呈现出其典型形状。

词源 Etymology

来自古希腊语 tettares / tessares(“四”),经由科学拉丁语与现代欧洲语言进入英语,常用于构造学术与科技词汇,如 tetra- + -gon(四边形)、tetra- + -chloride(四氯化物)等。

相关词 Related Words

文学作品 Literary Works

  • Euclid, Elements(欧几里得《几何原本》)中讨论多面体与几何形状的传统里,相关术语(如 tetrahedron)常被引用与使用。
  • Plato, Timaeus(柏拉图《蒂迈欧篇》)讨论“柏拉图立体”时涉及与 tetrahedron(四面体)相关的概念与术语传统。
  • H. S. M. Coxeter, Regular Polytopes(考克斯特《正多胞体》)等几何学经典著作中大量使用以 tetra- 构词的术语(如 tetrahedraltetragon)。
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