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octahedron [octahedrons]▼(a polyhedron with eight faces)noun[UK: ˌɒk.tə.ˈhiː.drən] [US: ˌɑːk.tə.ˈhiː.drən]
rhombicuboctahedron▼(polyhedron with 8 triangular and 18 square faces)noun
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