trapezohedron

IPA: trʌpˈizoʊhˈidrʌn

(geometry, crystallography) Any of a class of polyhedra that have kite-shaped faces and are dual polyhedra of antiprisms.
(crystallography) A deltoidal icositetrahedron.

Examples of "trapezohedron" in Sentences

Well, turns out that a trapezohedron has nothing to do with trapezoids at all.
But math-crazy Lovecraft would have known that a trapezohedron is an "antiprism."
A trapezohedron is a solid whose faces are kite-shaped quadrilaterals, like a 10-sided die.
What I and apparently LaVey thought was a trapezohedron -- a polyhedron with trapezoids for sides -- is actually a frustum.
It is found massive and in trapezohedron crystals weighing from six to eighteen pounds each, and through many intervening forms down to the small fractured masses in Kinzigite and in sands.
So the Hancock Building, which so delightfully crouches on LaVey's birthplace, is not, despite what I've said in person and print for the better part of 20 years now, the world's largest trapezohedron.