See Also: icosahedron(medicine)
icosahedron(dictionary)

icosahedron (iou)



icosahedron noun. , -drons. L16.
[Late Latin icosahedrum (medieval Latin also -hedron) from Greek eikosaedron, formed as ICOS-: see -HEDRON.]
A solid figure or object with twenty plane faces; esp. (more fully regular icosahedron) one with twenty equal equilateral triangular faces.
icosahedral adjective having the form of an icosahedron; having twenty faces: E19.
icosahedrally adverb so as to form icosahedra L20.