regular octahedron


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Noun1.regular octahedron - an octahedron with eight equilateral triangles as facesregular octahedron - an octahedron with eight 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 ?
2+] hydrate form an approximate regular octahedron (Fig.
In the three dimensional Euclidean space, there are just five types of regular polyhedrons: a regular tetrahedron, cube, regular octahedron, regular dodecahedron and a regular icosahedron.
5-5 ppm, contains 4 hydroxyl groups and 2 phenoxide ligands arranged into regular octahedron, like in kaolinite (Weiss and Kuzvart, 2005).