icosahedron

noun ico·sa·he·dron \ (ˌ)ī-ˌkō-sə-ˈhē-drən , -ˌkä- \

Definition of icosahedron

plural icosahedrons or icosahedra play \(ˌ)ī-ˌkō-sə-ˈhē-drə, -ˌkä-\
: a polyhedron having 20 faces

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Origin and Etymology of icosahedron

Greek eikosaedron, from eikosi twenty + -edron -hedron — more at vigesimal


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