Definition of Polyhedra. Meaning of Polyhedra. Synonyms of Polyhedra

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

Definition of Polyhedra

Polyhedra
Polyhedron Pol`y*he"dron, n.; pl. E. Polyhedrons., L. Polyhedra. [NL., fr. Gr. ? with many seats or sides; poly`s many + ? a seat or side: cf. F. poly[`e]dre.] 1. (Geom.) A body or solid contained by many sides or planes. 2. (Opt.) A polyscope, or multiplying glass.

Meaning of Polyhedra from wikipedia

- In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Gr**** πολύ (poly-)  'many' and ἕδρον (-hedron)  'base, seat') is a three-dimensional figure...
- the same number of faces meet at each vertex. There are only five such polyhedra: Geometers have studied the Platonic solids for thousands of years. They...
- of selected geodesic polyhedra and Goldberg polyhedra, two infinite classes of polyhedra. Geodesic polyhedra and Goldberg polyhedra are duals of each other...
- Polyhedra is a family of relational database management systems offered by ENEA AB, a Swedish company. The original version of Polyhedra (now referred...
- figures remain combinatorial or abstract polyhedra, but not all can also be constructed as geometric polyhedra. Starting with any given polyhedron, the...
- convex regular polyhedra (the Platonic solids), and four regular star polyhedra (the Kepler–Poinsot polyhedra), making nine regular polyhedra in all. In addition...
- of the uniform polyhedra are also star polyhedra. There are two infinite classes of uniform polyhedra, together with 75 other polyhedra. They are 2 infinite...
- uniform polyhedra with degenerate vertex figures which have overlapping edges (not counted by Coxeter); The uniform tilings (infinite polyhedra) 11 Euclidean...
- lower-case letter chi). The Euler characteristic was originally defined for polyhedra and used to prove various theorems about them, including the classification...
- five convex regular polyhedra are called the Platonic solids. The vertex figure is given with each vertex count. All these polyhedra have an Euler characteristic...