truncated dodecahedron

== English == === Etymology === From truncated + dodecahedron, referring to a construction method for the figure. === Noun === truncated dodecahedron (plural truncated dodecahedra or truncated dodecahedrons) (geometry) An Archimedean solid with thirty-two regular faces (twelve decagons and twenty triangles) and ninety edges. 1813, Spinell, entry in John Mason Good, Olinthus Gregory, Newton Bosworth (editors), Pantologia: A New Cyclopaedia, Volume XI: SPA — TZE, unnumbered page, This, which may be regarded as a brown garnet or schoerl in truncated dodecahedrons of Rome de Lisle, was originally found in the island of Ceylon, among tourmalines and other crystalline substances, with which it was confounded. 1996, T. A. Fournelle, K. W. Weston, Generalizations of Steinberg Groups, World Scientific Publishing, Series in Algebra, Volume 4, page 176, The edges of the linkages lie on the edges of a truncated dodecahedron. Note that the group of orientation preserving symmetries of a truncated dodecahedron is precisely A5. ==== Translations ==== === Further reading === Truncated Dodecahedron on Wolfram MathWorld