icositetrachoron

Meanings

1. A four-dimensional object with no regular three-dimensional analogue, constructed out of twenty-four octahedra.

Etymology

From icosi- (“twenty”) + tetra- (“four”) + -choron (“room”), from Ancient Greek εἴκοσι (eíkosi, “twenty”) τέτταρες (téttares, “four”) and χῶρος (khôros, “room”).