different between antiprism vs gyroelongated

English

anti- +? prism

antiprism (plural antiprisms)

A polyhedron composed of two parallel copies of some particular polygon, connected by an alternating band of triangles.

gyro- +? elongated

gyroelongated (not comparable)

(of a polyhedron) Having been elongated by placing an antiprism in the middle of the polyhedron.

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