Meanings
nounpentacontahedron (plural pentacontahedrons or pentacontahedra)
plural pentacontahedrons · plural pentacontahedra
- geometryA polyhedron with fifty faces.
Origin
From Ancient Greek πεντήκοντα (pentḗkonta) + -hedron.
Full word history & related roots →Cite this entry
APA
pentacontahedron. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pentacontahedron
MLA
“pentacontahedron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pentacontahedron. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “pentacontahedron,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pentacontahedron.
Source: pentacontahedron on Wiktionary, CC BY-SA 4.0.