Tetrahedral
Tetrahedral , adjective
[See Tetrahedron.]
1.
Having, or composed of, four sides.
2.
(a) (Crystallography) Having the form of the regular tetrahedron.
(b)
(Crystallography) Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs.
Collocations (1)
Tetrahedral angle (Geometry) , a solid angle bounded or inclosed by four plane angles.