'Scalenohedron' definitions:

Definition of 'Scalenohedron'

From: GCIDE

Scalenohedron \Sca*le`no*he"dron\ (-dr[o^]n), n. [Gr. skalhno`s uneven + "e`dra seat, base.] (Crystallog.) A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle. [1913 Webster]