'Icositetrahedron' definitions:
Definition of 'Icositetrahedron'
From: GCIDE
- Icositetrahedron \I`co*si*tet`ra*he"dron\, n. [Gr. ? twenty + ?, combining form of ? four + ? seat, base.] (Crystallog.) A twenty-four-sided solid; a tetragonal trisoctahedron or trapezohedron. [1913 Webster]
Definition of 'icositetrahedron'
From: GCIDE
- Trisoctahedron \Tris*oc`ta*he"dron\, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron. [1913 Webster]
- Tetragonal trisoctahedron, a trisoctahedron each face of which is a quadrilateral; called also trapezohedron and icositetrahedron.
- Trigonal trisoctahedron, a trisoctahedron each face of which is an isosceles triangle. [1913 Webster] Trispast