Definitions for: Icosahedron


[n] any polyhedron having twenty plane faces



Webster (1913) Definition: 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.

See Also: polyhedron

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