nounpl. -·drons or -·dra
a solid figure with twelve plane faces
Origin of dodecahedronClassical Greek d?dekaedron: see dodeca- and -hedron
nounpl. do·dec·a·he·drons, or do·dec·a·he·dra
A polyhedron with 12 faces.
Origin of dodecahedronGreek dōdekaedron from neuter of Greek dōdekaedros having twelve sides dōdeka twelve ; see dodecagon . -edros sided ; see -hedron .
(plural dodecahedra or dodecahedrons)
From Ancient Greek δωδεκάεδρόν (dōdekaedron).