tra·pe·zo·he·dron /trəˌpizoˈhidrən, ˌtræpə-/
偏方三八面體
Trap·e·zo·he·dron n. Crystalloq. (a) A solid bounded by twenty-four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under Trisoctahedron. (b) A tetartohedral solid of the hexagonal system, bounded by six trapezoidal planes. The faces of this form are common on quartz crystals.
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trapezohedron
n : a polyhedron whose faces are trapeziums
[also: trapezohedra (pl)]