icositetrahedron
I`co*si*tet`ra*he"dron, n. Etym: [Gr. (Crystallog.) Defn: A twenty-four-sided solid; a tetragonal trisoctahedron or trapezohedron.
I`co*si*tet`ra*he"dron, n. Etym: [Gr. (Crystallog.) Defn: A twenty-four-sided solid; a tetragonal trisoctahedron or trapezohedron.