What is "rhombihexahedron"

n. (context mathematics English) either of two concave polyhedra the great rhombihexahedron and the small rhombihexahedron

Rhombihexahedron may refer to:

• Small rhombihexahedron, a nonconvex uniform polyhedron with 18 faces
• Compound of three cubes, a uniform polyhedron compound made by symmetrically arranging 3 cubes