noun, plural oc·ta·he·drons, oc·ta·he·dra [ok-tuh-hee-druh] /ˌɒk təˈhi drə/.
Origin of octahedron
Examples from the Web for octahedron
Historical Examples of octahedron
The Octahedron, having eight equilateral triangles as faces.Bygone Beliefs
H. Stanley Redgrove
Combinations of the cube and octahedron are shown in figs. 6-8.
It may be derived from the octahedron by suppressing the alternate faces.
The other piece of money in circulation was octahedron in shape or form.Memoirs of Orange Jacobs
A cube may be inscribed in an octahedron, its vertices being at the centers of the faces of the octahedron.The Teaching of Geometry
David Eugene Smith