Meanings
- mathematicsA polyhedron, one of the Johnson solids, having 18 triangular and 3 square faces.
Origin
From hebe- (“blunt”) + spheno- + mega- + corona. Compare sphenocorona, sphenomegacorona. Coined by Norman W. Johnson in 1969.
Full word history & related roots →Cite this entry
hebesphenomegacorona. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/hebesphenomegacorona
“hebesphenomegacorona.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hebesphenomegacorona. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “hebesphenomegacorona,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/hebesphenomegacorona.
Source: hebesphenomegacorona on Wiktionary, CC BY-SA 4.0.