icosahedron
IPA: aɪkˈɑsʌhˈidrʌn
noun
- (geometry) A polyhedron with twenty faces.
- (geometry, specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular (equilateral) triangles
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Examples of "icosahedron" in Sentences
- The regular icosahedron is most popular.
- Compound of dodecahedron and icosahedron.
- The icosahedron is the dual of the dodecahedron.
- There are 3 uniform colorings of the icosahedron.
- This die is in the form of a regular icosahedron.
- It is the dual of the truncated great icosahedron.
- See the mathworld article on the great icosahedron.
- Its convex hull is a nonuniform truncated icosahedron.
- For example, the icosahedron is the dual of the dodecahedron.
- The icosahedron and the dodecahedron are Platonic solids with 30 edges.