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icosahedral |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
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icosahedral a regular polyhedron with 20 triangular faces, 12 corners and 30 sides, having cubic symmetry with 5:3:2-fold axes. A common structural form for the capsid of many viruses including herpesviruses, adenoviruses, parvoviruses, reoviruses, picornaviruses and retroviruses. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The primary thesis in the Mysterium cosmographicum is that God created the (Copernican) universe to express the five platonic solids (the cube, tetrahedron, octahedron, icosahedron, and dodecahedron). Others, known as icosahedrons or ``bird cages,'' have a distinct geometric design. Shortly thereafter, the company began marketing the novelty item as the Syco-Slate; although the design remained relatively unchanged, the molasses was replaced with a form of generic anti-freeze and the laminated paper cube was replaced with a 20-sided die, or an icosahedron. |
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