truncated dodecahedron
English
![](Images/wiktionary/Truncateddodecahedron.jpg.webp)
A truncated dodecahedron
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.
- 1983, Electron Microscopy Society of America, Proceedings: 41st Annual Meeting, page 232:
- The morphologies commonly observed in bcc materials include truncated dodecahedrons with {110} faces and {100} truncations and cubes with {100} faces.
- 1990, David S. Gelles, Neutron Irradiation Damage in Ferritic Fe-Cr Alloys, Nicholas H. Packan, R. E. Stoller, A. S. Kumar (editors), Effects of Radiation on Materials: 14th International Symposium, Volume 1, page 90,
- Void shapes were found to be generally truncated dodecahedra with {011} faces and {001} truncations.
- 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.
- 1813, Spinell, entry in John Mason Good, Olinthus Gregory, Newton Bosworth (editors), Pantologia: A New Cyclopaedia, Volume XI: SPA — TZE, unnumbered page,
Translations
polyhedron with 12 decagonal faces, 20 triangular faces and 90 edges
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Further reading
- Truncated Dodecahedron on Wolfram MathWorld