| trapezohedron | <chemistry> A solid bounded by twenty-four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under Trisoctahedron. A tetartohedral solid of the hexagonal system, bounded by six trapezoidal planes. The faces of this form are common on quartz crystals. Origin: NL, from trapezium + Gr. Seat, base, fr. To sit. Source: Websters Dictionary (01 Mar 1998) |
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| trapezohedron | a polyhedron whose faces are trapeziums |
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