The [[tesseract is the best known polychoron, containing eight cubic cells, three around each edge. It is viewed here as a Schlegel diagram projection into 3-space, distorting the regularity, but keeping its topological continuity.
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polychoron:
poly- ?(“many”) +? -choron ?(“room”), from Ancient Greek πολ?? ?(polús, “many, much”) and χ?ρο? ?(kh?ros, “room”).