1. a four-dimensional geometric figure; the four-dimensional analog of a cube
Usage: mathematics; geometry

Examples

• The tesseract is difficult to visualize because humans perceive only three spatial dimensions.
• In mathematics class, we studied how a tesseract relates to lower-dimensional shapes.
• The science fiction novel featured a tesseract as a plot device for interdimensional travel.
• Artists have attempted to represent tesseracts through various projection methods.
• A tesseract has 16 vertices, 32 edges, 24 square faces, and 8 cubic cells.
• The concept of a tesseract helps students understand higher-dimensional geometry.