polyhedron

1. A solid figure bounded by plane polygons or faces (synset 113906542)
   is a type of: solid - a three-dimensional shape
   subtypes:

   • convex polyhedron - a polyhedron any plane section of which is a convex polygon
   • concave polyhedron - a polyhedron some of whose plane sections are concave polygons
   • prism - a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
   • pyramid - a polyhedron having a polygonal base and triangular sides with a common vertex
   • tetrahedron - any polyhedron having four plane faces
   • pentahedron - any polyhedron having five plane faces
   • hexahedron - any polyhedron having six plane faces
   • octahedron - any polyhedron having eight plane faces
   • decahedron - any polyhedron having ten plane faces
   • dodecahedron - any polyhedron having twelve plane faces
   • icosahedron - any polyhedron having twenty plane faces
   • ideal solid, platonic body, platonic solid, regular convex polyhedron, regular convex solid, regular polyhedron - any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
   • prismatoid - a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid
   • trapezohedron - a polyhedron whose faces are trapeziums

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