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icosahedron

[ UK /ˌa‍ɪkəsɐhˈiːdɹən/ ]
NOUN
  1. any polyhedron having twenty plane faces

How To Use icosahedron In A Sentence

  • Water, because it is the most mobile and fluid, has to be an icosahedron, the regular solid that rolls most easily.
  • Hypsicles relates that his father and Basilides studied a treatise by Apollonius on a dodecahedron and an icosahedron in the same sphere and decided that Apollonius's treatment was not satisfactory.
  • Four more Archimedeans appear in the Short book on the five regular solids: the truncated cube, the truncated octahedron, the truncated icosahedron and the truncated dodecahedron.
  • The Icosahedron can be assemble cutting along the edges of the map.
  • These five remarkable solids - tetrahedron, cube, octahedron, dodecahedron, icosahedron - have faces that are congruent equilateral polygons.
  • The icosahedron is another of the five regular, or Platonic, bodies having all their sides, angles, and planes similar and equal. Amusements in Mathematics
  • Join five equilateral triangles together and you have the first part of an icosahedron C. HERE’S LOOKING AT EUCLID
  • He developed a theory of automorphic functions, connecting algebraic and geometric results in his important 1884 book on the icosahedron.
  • Like the elongated shapes, the pentagons and hexagons are also characterized by a fivefold symmetry; we thus observe regular decahedrons and icosahedrons.
  • I've rolled the icosahedron and painted a few miniatures myself so it only raises my charisma to be accepted by that culture. Archive 2009-08-01
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