8-cell

//ˈeɪtˌsɛl// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A four-dimensional polytope, analogous to a cube, whose eight bounding facets are cubes; a tesseract.

    "According to this table the tetrahedron corresponds to the 5-cell, the cube to the 8-cell ("hypercube"), the octahedron to the 16-cell, the dodecahedron to the 120-cell and the icosahedron to the 600-cell. The 24-cell is an additional body in four-dimensional space which is dual to itself."

Example

More examples

"According to this table the tetrahedron corresponds to the 5-cell, the cube to the 8-cell ("hypercube"), the octahedron to the 16-cell, the dodecahedron to the 120-cell and the icosahedron to the 600-cell. The 24-cell is an additional body in four-dimensional space which is dual to itself."

Etymology

From 8 + cell.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.