having the shape or form of an icosahedron (a polyhedron with twenty faces).
icosa+hedral
Shared component: icosa · twenty
OpenEtymologyWORD FAMILY
icosa
twenty
Related forms: icosa · 2 words in this dictionary
Related words
Shared components, not spelling prefixesA solid geometric figure with twenty plane faces.
icosa+hedron
Shared component: icosa · twenty