Scalenohedron

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]