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 ]
Result from Foreign Dictionaries (1 entries found)
From The Collaborative International Dictionary of English v.0.48 [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]
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