- the generalization of a cube to four dimensions.
Origin of tesseract
1885–90; < Greek tésser(es) four + aktís ray
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tesseract
A line has one dimension, a square has two, a cube has three, and a tesseract has four.
A cube can be unfolded into six squares, and a tesseract unfolds to eight cubes.
Something—something like a Klein Bottle—or a tesseract—or maybe both of them together.What Rough Beast?
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
When pressure is applied, it folds up into a tesseract so that it takes up less room and relieves the pressure.
Word Origin and History for tesseract
Online Etymology Dictionary, © 2010 Douglas Harper
- A four-dimensional hypercube, having sixteen corners. See more at hypercube.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.