Category:Trisoctahedron

Tris*oc`ta*he"dron, n. Etym: [gr. octahedron.] (crystallog.)

Defn: a solid of the isometric system bounded by twenty-four equal Faces, three corresponding to each face of an octahedron. 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.