regular icosahedron

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Definitions from WordNet

Noun regular icosahedron has 1 sense

regular icosahedron - an icosahedron with twenty equilateral triangles as faces
--₁ is a kind of regular polyhedron, regular convex solid, regular convex polyhedron, Platonic body, Platonic solid, ideal solid

Definitions from the Web

Regular Icosahedron

A regular icosahedron is a three-dimensional geometric shape with twenty identical equilateral triangle faces. It is one of the five platonic solids, each having the same number of faces meeting at each vertex.

Example Sentences:

The architect used a regular icosahedron as the basis for the building's design.
Mathematicians have extensively studied the properties of regular icosahedrons.
The children were amazed by the intricate patterns formed on the surface of the regular icosahedron model.

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