Definition of Icosahedron. Meaning of Icosahedron. Synonyms of Icosahedron

Here you will find one or more explanations in English for the word Icosahedron. Also in the bottom left of the page several parts of wikipedia pages related to the word Icosahedron and, of course, Icosahedron synonyms and on the right images related to the word Icosahedron.

Definition of Icosahedron

Icosahedron
Icosahedron I`co*sa*he"dron, n. [Gr. ?; ? twenty + ? seat, base, fr. ? to sit.] (Geom.) A solid bounded by twenty sides or faces. Regular icosahedron, one of the five regular polyhedrons, bounded by twenty equilateral triangules. Five triangles meet to form each solid angle of the polyhedron.

Meaning of Icosahedron from wikipedia

- In geometry, an icosahedron (/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/) is a polyhedron with 20 faces. The name comes from Ancient Gr**** εἴκοσι...
- In geometry, a regular icosahedron (/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/) is a convex polyhedron with 20 faces, 30 edges and 12 vertices...
- In geometry, the truncated icosahedron is an Archimedean solid, one of 13 convex isogonal nonprismatic solids whose faces are two or more types of regular...
- represented by its Schläfli symbol {5, 3}. The dual polyhedron is the regular icosahedron {3, 5}, having five equilateral triangles around each vertex. The convex...
- In geometry, the great icosahedron is one of four Kepler-Poinsot polyhedra (nonconvex regular polyhedra), with Schläfli symbol {3,5/2} and Coxeter-Dynkin...
- cantellated dodecahedron or icosahedron, from truncation operations on either uniform polyhedron. If you expand an icosahedron by moving the faces away from...
- cube, and dodecahedron and that the discovery of the octahedron and icosahedron belong to Theaetetus, a contemporary of Plato. In any case, Theaetetus...
- Jessen's icosahedron, sometimes called Jessen's orthogonal icosahedron, is a non-convex polyhedron with the same number of vertices, edges and faces as...
- They may be obtained by stellating the regular convex dodecahedron and icosahedron, and differ from these in having regular pentagrammic faces or vertex...
- Complete icosahedron may refer to: an icosahedron which has had none of its faces removed, as opposed to a partial icosahedron such as a geodesic hemisphere...
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