orthoplex

Etymology
Coined in 1991 by and. , since it has one facet for each orthant.

Noun

 * 1)  A convex polytope analogous to an octahedron (3 dimensions) or 16-cell (4 dimensions).

Synonyms

 * cocube, cross-polytope, hyperoctahedron

Hyponyms

 * 16-cell, 4-orthoplex, hexadecachoron, octahedron

Derived terms

 * 4-orthoplex

Related terms

 * simplex