A solid with six faces, each a parallelogram and each being parallel to the opposing face.
Solid figure, having six faces, all parallelograms; all opposing faces being comparable and parallel.
A prism whose bases are parallelograms.
A prism whoever basics tend to be parallelograms.
in experimental therapy, a plan drawing of a parallelepiped, with one diagonal drawn in, embodying an illusion of reversible point of view. The figure ended up being published by Necker in 1832: the name ‘cube’ precisely belongs to an identical figure published by Wheatstone in 1838. See impression. 2.