Tetrahexahedron
Pronunciation : Tet`ra*hex`a*he"dron
Part of Speech : n.
Etymology : [Tetra- + hexahedron.] (Crystallog.)
Definition : Defn: A solid in the isometric system, bounded by twenty-four equal triangular faces, four corresponding to each face of the cube.
Source : Webster's Unabridged Dictionary, 1913