 120-cell    
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 Runcinated 120-cell (Expanded 120-cell)
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 Runcitruncated 120-cell
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 600-cell
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 Runcitruncated 600-cell
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 Omnitruncated 120-cell
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| Orthogonal projections in H3 Coxeter plane | ||
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In four-dimensional geometry, a runcinated 120-cell (or runcinated 600-cell) is a convex uniform 4-polytope, being a runcination (a 3rd order truncation) of the regular 120-cell.
There are 4 degrees of runcinations of the 120-cell including with permutations truncations and cantellations.
The runcinated 120-cell can be seen as an expansion applied to a regular 4-polytope, the 120-cell or 600-cell.