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De - Pt| English Dictionary: tetrahedral | by the DICT Development Group |
| 1 result for tetrahedral | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Tetrahedral \Tet`ra*he"dral\, a. [See {Tetrahedron}.] 1. Having, or composed of, four sides. 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. {Tetrahedral angle} (Geom.), a solid angle bounded or inclosed by four plane angles. | |
