n. pl. oc·ta·he·drons or oc·ta·he·dra (-drə)
A polyhedron with eight faces.
[Greek oktaedron, from neuter of oktaedros, having eight sides : okta-, octo- + -edros, sided; see -HEDRON.]
(click for a larger image)octahedron
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Indo-European & Semitic Roots Appendices
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