icosahedron

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Related to icosahedra: Icosahedral symmetry

icosahedron

(īkō'səhē`drən): see polyhedronpolyhedron
, closed solid bounded by plane faces; each face of a polyhedron is a polygon. A cube is a polyhedron bounded by six polygons (in this case squares) meeting at right angles.
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Icosahedron

A regular polygon bounded by 20 equilateral triangles, with 12 vertices and 20 edges.

icosahedron

[ī¦kä·sə¦hē·drən]
(mathematics)
A 20-sided polyhedron.

icosahedron

a solid figure having 20 faces. The faces of a regular icosahedron are equilateral triangles
References in periodicals archive ?
The current paper describes the design and construction of 10 icosahedra from two different protein subunits.
Of all the Platonic solids, icosahedra best approximate the sphere in the surface area to volume area.
Regular icosahedra and dodecahedra are special forms of both icosahedral point groups, 235 and m35.