prismatoid

Definitions of prismatoid
  1. noun
    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
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    types:
    prismoid
    a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms
    type of:
    polyhedron
    a solid figure bounded by plane polygons or faces
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