A positive-height (outward-pointing) pyramid used in augmentation. The term was introduced by B. Grünbaum.
Elevatum
See also
Augmentation, InvaginatumExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Elevatum." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Elevatum.html