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单词 dyakis-dodecahedron
释义 dyakis-dodecahedron Cryst.|ˈdaɪəkɪsˌdəʊdɪkəˈhiːdrən|
[f. Gr. δυάκις twice, f. δύο two + dodecahedron.]
A crystalline form contained by twenty-four trapezoidal planes having two sides equal; = diplohedron, diploid.
1881H. Bauerman Textbk. Syst. Min. 54 The same relation holds good with its hemihedral form, the dyakisdodecahedron which under similar conditions passes into a pentagonal dodecahedron.1883M. F. Heddle in Encycl. Brit. XVI. 355 The dyakisdodecahedron..has twelve short, twelve long, and twenty-four intermediate edges.
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