[ico.sa.he.dron] n, pl -drons or -dra [Gk eikosaedron, fr. eikosi twenty + -edron -hedron--more at vigesimal] (1570): a polyhedron having 20 faces
ICOSAHEDRON
Meaning of ICOSAHEDRON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012