octahedron

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English[edit]

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An octahedron

Etymology[edit]

From Ancient Greek ὀκτώ(oktṓ, eight) + ἕδρα(hédra, seat).

Noun[edit]

octahedron ‎(plural octahedra or octahedrons)

  1. (geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.

Translations[edit]

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