tesseract

[ tes-uh-rakt ]

/ ˈtɛs əˌrækt /

the generalization of a cube to four dimensions.

Origin of tesseract

1885–90; < Greek tésser(es) four + aktís ray

A cube can be unfolded into six squares, and a tesseract unfolds to eight cubes.

Wait for Weight |Jack McKenty
Im also the Herr Reames of several other articles, such as on the mechanics of continua and the mass and inertia of the tesseract.

Astounding Stories of Super-Science January 1931 |Various
The hypercube or tesseract is described by moving the generating cube in the direction in which the fourth dimension extends.

The Mystery of Space |Robert T. Browne
A line has one dimension, a square has two, a cube has three, and a tesseract has four.

Wait for Weight |Jack McKenty

When pressure is applied, it folds up into a tesseract so that it takes up less room and relieves the pressure.

Wait for Weight |Jack McKenty

tesseract

[ tĕs′ə-răkt′ ]

A four-dimensional hypercube, having sixteen corners. See more at hypercube.