1. plural of tesseract: four-dimensional cubes or hypercubes
Usage: mathematics; geometry

Examples

• The mathematician drew diagrams to help students visualize tesseracts.
• In four-dimensional geometry, tesseracts have 16 vertices.
• Science fiction writers often use tesseracts as plot devices for interdimensional travel.
• Computer graphics programs can render projections of tesseracts onto flat screens.
• Students struggled to understand how tesseracts relate to regular three-dimensional cubes.
• The novel featured characters who could manipulate tesseracts to fold space.