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octahedron 音标拼音: [,ɑktəh'idrən] n. 八面体 八面体 octahedron n 1: any polyhedron having eight plane faces octahedron \oc`ta*he"dron\ ([o^]k`t[.a]*h[=e]"dr[o^]n), n. [Gr.
'okta`edron, fr. 'okta`edros eight-sided; 'okta- (for 'oktw` eight) "e`dra seat, base, from "e`zesqai to sit.] (Geom.) A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles. [1913 Webster]
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