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单词 di-hexahedron
释义 di-hexaˈhedron Cryst.
[f. di-2 + hexahedron.]
A six-sided prism with trihedral summits, making twelve faces in all. Also sometimes, a double hexagonal pyramid.
1888Amer. Naturalist XXII. 247 Dihexahedra of quartz and various rare minerals are noted in them [trap dikes in Scotland].
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