noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A uniform convex polychoron made up of 600 tetrahedral cells; a hexacosichoron.
2. 2
   A connected set of regular tetrahedra, the 3-dimensional analogue of a polyiamond.

Etymology

From poly- + tetrahedron.

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