icosahedron(redirected from Snub tetrahedron)
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Related to Snub tetrahedron: octahedron, icosahedron, dodecahedron, Platonic solids
icosahedron(ī-kō″să-hē′drŏn, kŏs″) [Gr. eikosaedron]
A nearly spherical structure made of 20 identical subunits linked at 12 symmetrical corners. Each subunit is an equilateral triangle. Several viruses, including the human immunodeficiency virus (HIV), are icosahedral.