In geometry, a prismatoid is a polyhedron where all vertices lie in two parallel planes. Its lateral faces can be trapezoids or triangles. If both planes have the same number of vertices, and the lateral faces are either parallelograms or trapezoids, it is called a prismoid.
近义、反义、联想词
近义词
n.
prismatoid
英英词典
prismoid n.
a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms