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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive
The regular octahedron is still rational, but it is no longer simple.
Toric Geometry of the Regular Convex Polyhedra
When the simulated time is 1 ns, these O(-2H) atoms of the six water molecules in the innermost shell of a [Fe.sup.2+] hydrate form an approximate regular octahedron (Fig.
Key role of hydrates in determining ion rejection by polyamide membrane
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