triangular hebesphenorotunda

noun

A polyhedron, one of the Johnson solids, whose faces are composed of 13 triangles, 3 squares, 3 pentagons, and 1 hexagon.

Meanings

noun
  1. geometryA polyhedron, one of the Johnson solids, whose faces are composed of 13 triangles, 3 squares, 3 pentagons, and 1 hexagon.

Origin

From triangular + hebe- (“blunt”) + spheno- + rotunda. Coined by Norman W. Johnson in 1969.

Full word history & related roots →
Cite this entry
APA

triangular hebesphenorotunda. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/triangular%20hebesphenorotunda

MLA

“triangular hebesphenorotunda.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/triangular%20hebesphenorotunda. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “triangular hebesphenorotunda,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/triangular%20hebesphenorotunda.

Source: triangular hebesphenorotunda on Wiktionary, CC BY-SA 4.0.