Meanings
noun
- geometryA polyhedron, one of the Johnson solids, whose faces are composed of 16 triangles and 2 squares.
Origin
From spheno- + mega- + corona. Coined by Norman W. Johnson in 1969.
Full word history & related roots →Cite this entry
APA
sphenomegacorona. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sphenomegacorona
MLA
“sphenomegacorona.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sphenomegacorona. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “sphenomegacorona,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sphenomegacorona.
Source: sphenomegacorona on Wiktionary, CC BY-SA 4.0.