Having 20 equilateral triangular surfaces and 12 vertices, as do most viruses with cubic symmetry. [G. eikosi, twenty, + -edros, having sides or bases]

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ico·sa·he·dral (i″ko-sə-heґdrəl) [Gr. eikosi twenty + hedra seat] pertaining to an icosahedron, a solid having 20 faces and 12 vertices.

Medical dictionary. 2011.

Look at other dictionaries:

  • Icosahedral — I co*sa*he dral, a. [See {Icosahedron}.] (Geom.) Having twenty equal sides or faces. [1913 Webster] …   The Collaborative International Dictionary of English

  • icosahedral — In virology this term refers to a virus with an icosahedral capsid, which has the shape of a regular polyhedron having 20 equilateral triangular faces and 12 corners …   Dictionary of microbiology

  • icosahedral — icosahedron ► NOUN (pl. icosahedra or icosahedrons) ▪ a three dimensional shape having twenty plane faces, in particular a regular solid figure with twenty equal triangular faces. DERIVATIVES icosahedral adjective. ORIGIN from Greek eikosaedros… …   English terms dictionary

  • icosahedral — adjective Date: circa 1828 of or having the form of an icosahedron …   New Collegiate Dictionary

  • icosahedral — See icosahedron. * * * …   Universalium

  • icosahedral — adjective Of, relating to, or having the shape of an icosahedron …   Wiktionary

  • icosahedral — icosa·he·dral …   English syllables

  • icosahedral — adjective of or relating to an icosahedron • Pertains to noun: ↑icosahedron • Derivationally related forms: ↑icosahedron * * * (|)ī|kōsə|hēdrəl, käs sometimes chiefly Brit hed adjective : of or having the form of an icosahedron * * * icosahēˈdral …   Useful english dictionary

  • Icosahedral honeycomb — Poincaré disk model Type regular hyperbolic honeycomb Schläfli symbol {3,5,3} Coxeter Dynkin diagram …   Wikipedia

  • Icosahedral symmetry — A Soccer ball, a common example of a spherical truncated icosahedron, has full icosahedral symmetry. A regular icosahedron has 60 rotational (or orientation preserving) symmetries, and a symmetry order of 120 including transformations that… …   Wikipedia

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