V2EX icosahedral

Icosahedral

释义 Definition

(形容词)二十面体的;具二十面体对称性的。常用于几何学、晶体学、化学与病毒学中,描述与正二十面体(icosahedron)相关的形状或对称性。

发音 Pronunciation (IPA)

/a.k.shi.drl/(英)
/a.k.shi.drl/(美,常见同音)

例句 Examples

An icosahedral die has twenty faces.
二十面体骰子有二十个面。

Many viruses have an icosahedral capsid because it forms a strong shell using repeating protein units.
许多病毒具有二十面体衣壳,因为它能用重复的蛋白质单元构成坚固的外壳。

词源 Etymology

来自 icosahedron(二十面体)+ 形容词后缀 -al(表示“……的”)。其中 icosa- 源自希腊语 eíkosi(二十),**-hedron** 源自希腊语 hédra(座、面),合起来指“有二十个面的多面体”;icosahedral 则表示“二十面体的/具二十面体对称性的”。

相关词 Related Words

文学与著作出现 Literary Works

  • H. S. M. Coxeter Regular Polytopes(经典多面体著作中常讨论 icosahedral symmetry)
  • John H. Conway, Heidi Burgiel, Chaim Goodman-Strauss The Symmetries of Things(涉及二十面体对称群与相关术语)
  • **Donald L. D. Caspar & Aaron Klug “Physical Principles in the Construction of Regular Viruses” (1962)**(病毒结构领域常用 icosahedral 描述衣壳对称性)
  • D’Arcy Wentworth Thompson On Growth and Form(讨论自然形态与对称性时常涉及多面体相关概念)
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