Adjective
gyroelongated (not comparable)
(of a polyhedron) Having been elongated by placing an antiprism in the middle of the polyhedron.
A regular icosahedron is a gyroelongated pentagonal bipyramid and a biaugmented pentagonal antiprism in any of six orientations. Source: Internet
It can be decomposed into a gyroelongated pentagonal pyramid and a pentagonal pyramid or into a pentagonal antiprism and two equal pentagonal pyramids. Source: Internet
The gyroelongated triangular prismatic tiling has the same vertex figure as one of the plain prismatic tilings; the two may be derived from the gyrated and plain triangular prismatic tilings, respectively, by inserting layers of cubes. Source: Internet
The elongated and gyroelongated alternated cubic tilings have the same vertex figure, but are not alike. Source: Internet