[do.deca.he.dron] n, pl -drons or -dra [Gk dodekaedron, fr. dodeka- + -edron -hedron] (ca. 1570): a solid having 12 plane faces -- do.deca.he.dral adj
DODECAHEDRON
Meaning of DODECAHEDRON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012