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Noun: icosahedron (icosahedra,icosahedrons)  I,kow-su'hee-drun [N. Amer], I,kó-su'hee-drun [Brit]
  1. Any polyhedron having twenty plane faces
    "Many role-playing games use a 20-sided die shaped like an icosahedron"

Derived forms: icosahedra, icosahedrons

Type of: polyhedron

Encyclopedia: Icosahedron