enneahedron
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English
[edit]Etymology
[edit]Noun
[edit]enneahedron (plural enneahedrons or enneahedra)
- (geometry) A polyhedron with nine faces.
- 1968, Design, numbers 229-234, unnumbered page:
- The enneahedron is a simple all-space filler discovered by myself, based on the cubic antiprism, again omitted by Wood.
- 1996, Michael O'Keeffe, Bruce G. Hyde, Crystal Structures, Number 1: Patterns & Symmetry, page 350,
- This is based on a packing of 36-vertex icosahedra [512.68] and enneahedra (43.56].
- 2015, Claudi Alsina, Roger B. Nelsen, A Mathematical Space Odyssey: Solid Geometry in the 21st Century, page 191:
- In Figure 9.10.3 we see a projection of the skeleton of an enneahedron (a solid with nine faces). All the faces of this enneahedron are quadrilaterals.
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Further reading
[edit]- enneahedron on Wikipedia.Wikipedia