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Decahedrons

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Decahedron \Dec`a*he"dron\, n.; pl. E. {Decahedrons}, L.
   {Decahedra}. [Pref. deca- + Gr. 'e`dra a seat, a base, fr.
   'e`zesthai to sit: cf. F. d['e]ca[`e]dre.] (Geom.)
   A solid figure or body inclosed by ten plane surfaces.
   [Written also, less correctly, {decaedron}.]
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