'Trigonal trisoctahedron' definitions:

Definition of 'Trigonal trisoctahedron'

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