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icosahedron
(redirected from icosahedrons)

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icosahedron (īkō'səhē`drən): see polyhedron polyhedron , 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 solid figure having 20 faces. The faces of a regular icosahedron are equilateral triangles
icosahedron [ī¦kä·sə¦hē·drən]
(mathematics)
A 20-sided polyhedron.
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Others, known as icosahedrons or ``bird cages,'' have a distinct geometric design.
BUSY HANDS BEAUTIFY HOLIDAY; WOMEN CREATE ORNAMENTS FROM OLD LITHUANIA by Daily News (Los Angeles, CA)
Then these rings connect to make icosahedrons (see diagram).
Viral shell game: a surprising view of how a virus shell assembles ... by Peterson, Ivars / Science News
Four or more of these icosahedrons are bound together to a molecule of porphyrin, an iron-containing molecule that remains preferentially incancer cells.
...And optimism about a novel therapy by Science News
 
 
 
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