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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 tet·ra·he·dral /ˌtɛtrəˈhidrəl/
 (a.)有四面的,四面體的

From: Webster's Revised Unabridged Dictionary (1913)

 Tet·ra·he·dral a.
 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.