The crystal form that has the most symmetrical elements of any crystal system. It has the most equivalent faces and forms a perfect polyhedron, such as the tetraoctahedron of the isometric system. [English-Japanese and Japanese-English Earth Science Vocabulary (1914)] Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information |
〘名〙 各結晶系の中で最も多くの対象の要素をもつ結晶形。等価な面の数が最も多く、完全な多面体をなす、等軸晶系の四八面体など。〔英和和英地学字彙(1914)〕
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