'Tetrahedral angle' definitions:

Definition of 'Tetrahedral angle'

From: GCIDE
  • Tetrahedral \Tet`ra*he"dral\, a. [See Tetrahedron.]
  • 1. Having, or composed of, four sides. [1913 Webster]
  • 2. (Crystallog.) (a) Having the form of the regular tetrahedron. (b) Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs. [1913 Webster]
  • Tetrahedral angle (Geom.), a solid angle bounded or inclosed by four plane angles. [1913 Webster]