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Definition of Icosahedron
1. Noun. Any polyhedron having twenty plane faces.
Definition of Icosahedron
1. n. A solid bounded by twenty sides or faces.
Definition of Icosahedron
1. Noun. (geometry) a polyhedron with twenty faces; the regular icosahedron has regular triangles as faces and is one of the Platonic solids. ¹
¹ Source: wiktionary.com
Definition of Icosahedron
1. [n -DRA or -DRONS]
Medical Definition of Icosahedron
1. A geometrical shape occurring in many virus particles, with 20 triangular faces and 12 corners. (09 Oct 1997)