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...
- The regular icosahedron (or simply icosahedron) is a convex polyhedron that can be constructed from pentagonal antiprism by attaching two pentagonal pyramids...
- In geometry, the truncated icosahedron is a polyhedron that can be constructed by truncating all of the regular icosahedron's vertices. Intuitively, it...
- In geometry, the triakis icosahedron is an Archimedean dual solid, or a Catalan solid, with 60 isosceles triangle faces. Its dual is the truncated dodecahedron...
- 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...
- its side and thus appears in the construction of the dodecahedron and icosahedron. A golden rectangle—that is, a rectangle with an aspect ratio of ⁠ φ...
- cube, and dodecahedron and that the discovery of the octahedron and icosahedron belong to Theaetetus, a contemporary of Plato. In any case, Theaetetus...
- In geometry, the great triambic icosahedron and medial triambic icosahedron (or midly triambic icosahedron) are visually identical dual uniform polyhedra...
- In geometry, the great icosahedron is one of four Kepler–Poinsot polyhedra (nonconvex regular polyhedra), with Schläfli symbol {3,5⁄2} and Coxeter-Dynkin...
- tridiminished icosahedron is a Johnson solid that is constructed by removing three pentagonal pyramids from a regular icosahedron. The tridiminished icosahedron can...