The Collaborative International Dictionary
Tetrakishexahedron
Tetrakishexahedron \Tet`ra*kis*hex`a*he"dron\, n. [Gr. ? four times + E. hexahedron.] (Crystallog.) A tetrahexahedron.
Wiktionary
tetrakishexahedron
n. (context crystallography English) A tetrahexahedron.