Szilassi polyhedron
1 of 1noun/sɪˈlæsi pɑlɪˈhidrən/
1
a non-convex polyhedron in geometry that has an unusual property of having no faces that are triangles, despite being composed of triangular faces
a non-convex polyhedron in geometry that has an unusual property of having no faces that are triangles, despite being composed of triangular faces