单词 | trisoctahedron |
释义 | trisoctahedron —trisoctahedral, adj. /tris ok'teuh hee"dreuhn/, n. , pl. trisoctahedrons, trisoctahedra /-dreuh/. a solid bounded by 24 identical faces in groups of three, each group corresponding to one face of an octahedron. [1840-50; < Gk trís thrice + OCTOHEDRON] |
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