icosahedron

名词 n.
中文释义

英文释义

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

词形变化

icosahedra plural icosahedrons plural eicosaedrum alternative,obsolete icosaedrum alternative,obsolete

词汇关系

衍生词
great icosahedron hemi-icosahedron icosahedronic supericosahedron triakis icosahedron truncated icosahedron
相关词
icosahedral icosahedrite

词源

From Ancient Greek εἰκοσάεδρον (eikosáedron), from εἴκοσι (eíkosi, “twenty”) + ἕδρα (hédra, “face of a geometrical solid”). Equivalent to icosa- + -hedron.
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