Word Meanings - TRIAKISOCTAHEDRON - Book Publishers vocabulary database

A trigonal trisoctahedron.

TRIGONAL
Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.
TRISOCTAHEDRON
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.