icosahedron

EnglishEdit

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A regular icosahedron

Alternative formsEdit

EtymologyEdit

From Ancient Greek εἰκοσάεδρον (eikosaedron), from εἴκοσι (eikosi, twenty) + ἕδρα (hedra, face of a geometrical solid).

NounEdit

icosahedron (plural icosahedra or icosahedrons)

  1. (geometry) A polyhedron with twenty faces.
  2. (geometry, specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular (equilateral) triangles

TranslationsEdit

Related termsEdit

Last modified on 23 November 2013, at 18:10