# polytetrahedron

> English word · Noun

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

## Etymology
From poly- + tetrahedron.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polytetrahedron