Octahedron is a 10 letter English word. It's valid Words with friends word worth 17 points.
You can make 868 anagrams from letters in octahedron (acdehnoort).
1560-70; Greek oktáedron eight-sided (neuter of oktáedros), equivalent to okta- octa- + -edron -hedron
The other piece of money in circulation was octahedron in shape or form.
These give the solid angles of the tetrahedron, the octahedron and the icosahedron.
Combinations of the cube and octahedron are shown in figs. 6-8.
In Venus inscribe an octahedron: the sphere inscribed in it will be Mercury's.
One important property of crystallized Diamond is that of cleavage parallel to the faces of the octahedron.
It may be derived from the octahedron by suppressing the alternate faces.
The octahedron, having eight equilateral triangles as faces.
A cube may be inscribed in an octahedron, its vertices being at the centers of the faces of the octahedron.
Of the stauraxonia isopola we have, for instance, the double pyramids, one of the simplest forms of the octahedron.
It is not difficult for a class to find the relative areas of the cube and the inscribed tetrahedron and octahedron.