orthoplex

Noun

Meaning

orthoplex (plural orthoplexes)

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

Source: en.wiktionary.org

cross-polytope hyperoctahedron cocube

simplex

4-orthoplex

orthopinacoid orthopinakiolite orthoplasy orthoploid orthopnea orthopneic