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octahedron |
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octahedron: see polyhedron polyhedron (pŏl'ēhē`drən), closed solid bounded by plane faces; each face of a polyhedron is a polygon . ..... Click the link for more information. . octahedron a solid figure having eight plane faces octahedron [‚ak·tə′hē·drən] (mathematics) A polyhedron having eight faces, each of which is an equilateral triangle. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Unlike basic units of silicon oxide and other metal oxides in widely used porous crystalline materials, the germanium-oxide units form secondary structures that contain six tetrahedra and four octahedra. 6] octahedra expected from the orbital order associated with Jahn-Teller active [Mn. Additionally, the Crockett Corner enabled some unique approaches for constructing cubes, octahedra, and other polyhedra (Figure 1). |
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