Dodecahedron

Pronunciation

• UK IPA: /ËŒdəʊdÉ›kəˈhiːdrÉ™n/, /ËŒdəʊdɪkəˈhiːdrÉ™n/
• US IPA: /ËŒdoÊŠdÉ›kəˈhiːdrÉ™n/

Origin

From Ancient Greek δωδεκάεδρόν.

Full definition of dodecahedron

Noun

1. (geometry) A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
• 1707, Thomas Blount, Glossographia Anglicana Nova: Or, A Dictionary, Interpreting Such Hard Words, D. Brown, heading DO–DO,Dodecahedron, (Gr.) in Geometry, is a solid Figure of 12 Sides or Faces that are regular Pentagons, it is one of the Platonick or Regular Bodies.

Related terms

• dodecahedral
• dodecadodecahedron
• great dodecahedron
• icosidodecahedron
• rhombicosidodecahedron