hemi-icosahedron
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English
[edit]Alternative forms
[edit]Etymology
[edit]hemi- + icosahedron, referring to the fact that it contains half the faces of a regular icosahedron.
Noun
[edit]hemi-icosahedron (plural hemi-icosahedra or hemi-icosahedrons)
- A polyhedron containing 10 triangular faces, 15 edges, and 6 vertices.