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icosahedron

資料來源 : pyDict

二十面體

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Icosahedron \I`co*sa*he"dron\, n. [Gr. ?; ? twenty + ? seat,
   base, fr. ? to sit.] (Geom.)
   A solid bounded by twenty sides or faces.

   {Regular icosahedron}, one of the five regular polyhedrons,
      bounded by twenty equilateral triangules. Five triangles
      meet to form each solid angle of the polyhedron.

資料來源 : WordNet®

icosahedron
     n : any polyhedron having twenty plane faces
     [also: {icosahedra} (pl)]
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