hemi-icosahedron (English, noun)
expansion: hemi-icosahedron (plural hemi-icosahedra or hemi-icosahedrons)
Senses:
glosses: A polyhedron containing 10 triangular faces, 15 edges, and 6 vertices.
Forms:
form: hemi-icosahedra
tags: plural
form: hemi-icosahedrons
tags: plural
form: hemicosahedron
tags: alternative