"Octahedron" Natural Recordings by Native Speakers
A polyhedron with eight triangular faces, typically symmetrical with four triangular faces meeting at each of three axes.
Here are 5 usage examples for the word "octahedron":
Octahedra (plural of octahedron) refers to a polyhedron with eight faces, each of which is a triangle. In geometry, an octahedron is a three-dimensional shape with eight triangular faces, 12 edges, and six vertices. It is often used in chemistry to describe the structure of molecules with eight coordination atoms around a central atom.
Octahedrite is a type of iron-nickel meteorite that is characterized by its octahedral (eight-sided) crystal structure. It is a type of stony-iron meteorite that is composed of a mixture of iron and nickel, with a small amount of carbon and other elements.