hemi-icosahedron

English

Alternative forms

Etymology

hemi- +‎ icosahedron, referring to the fact that it contains half the faces of a regular icosahedron.

Noun

hemi-icosahedron (plural hemi-icosahedra or hemi-icosahedrons)

  1. A polyhedron containing 10 triangular faces, 15 edges, and 6 vertices.
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