scalenohedron
Sca*le`no*he"dron, n. Etym: [Gr. (Crystallog.) Defn: A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle.
Sca*le`no*he"dron, n. Etym: [Gr. (Crystallog.) Defn: A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle.