Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In geometry, a cell is a three-dimensional element that is part of a higher-dimensional object. A cell is a three-dimensional polyhedron element that is part of the boundary of a higher-dimensional polytope, such as a polychoron (4-polytope) or honeycomb (3-space tessellation). For example, a cubic honeycomb is made of cubic cells, with 4 cubes on each edge. A tesseract is also made of cubic cells, but only has 3 cubes on each edge.

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