A prismoid is a prismatoid whose two parallel bases have the same number of vertices
and whose lateral faces are quadrilaterals.
These lateral faces are either trapezoids
or parallelograms.
Ball and Coxeter (1987) also use the term to describe an antiprism,
whose lateral faces are triangles.
See also
Antiprism,
Prism,
Prismatoid
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References
Ball, W. W. R. and Coxeter, H. S. M. Mathematical
Recreations and Essays, 13th ed. New York: Dover, p. 130, 1987.Referenced
on Wolfram|Alpha
Prismoid
Cite this as:
Weisstein, Eric W. "Prismoid." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Prismoid.html
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