O1C3T1A1H4E1D2R1O1N1
16 points
OCTAHEDRON is validvalid
a polyhedron with eight sides [n OCTAHEDRA, OCTAHEDRONS]
(Greek) a solid bounded by eight plane faces, also OCTOHEDRON [n OCTAHEDRONS or OCTAHEDRA]
a polyhedron with eight sides [n OCTAHEDRA, OCTAHEDRONS]
(Greek) a solid bounded by eight plane faces, also OCTOHEDRON [n OCTAHEDRONS or OCTAHEDRA]