adjective. Of or relating to a tetrahedron.

adjective. Having four faces.

Pertaining to a tetrahedron.

In crystallography: Having the form of the regular tetrahedron.

Pertaining or relating to a tetrahedron, or to the system of forms to which the tetrahedron belongs: as, tetrahedral hemihedrism (see hemihedrism).

adjective. Having, or composed of, four sides.

adjective. undefined

adjective. Having the form of the regular tetrahedron.

adjective. Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs.

adjective. a solid angle bounded or inclosed by four plane angles.

adjective. in the shape of a tetrahedron

adjective. having four faces, four apices and six edges

"The lugsails are arranged in a tetrahedral, that is, each of the four lugsails is oriented exactly 109.47 degrees from the other three."

tetrahedral angle  tetrahedral coördinates  tetrahedral garnet  tetrahedral group  

cathedral  octahedral