regular icosahedron


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Noun1.Regular icosahedron - an icosahedron with twenty equilateral triangles as facesregular icosahedron - an icosahedron with twenty equilateral triangles as faces
ideal solid, Platonic body, Platonic solid, regular convex polyhedron, regular convex solid, regular polyhedron - any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
References in periodicals archive ?
However, its rectangles might have different values of Q and masses M, provided [Q.sup.2] M are the same for all of them to form a regular icosahedron star.
We go on to address the case of the regular icosahedron. From the toric viewpoint, this is certainly the most complicated of the five regular convex polyhedra, since it is neither simple nor rational.
A regular icosahedron in the interior of wavefront ball is shown in Figure 2, and twelve vertex coordinates of the regular icosahedron can be calculated [17, 18].