Noah Webster Dictionary (1913 edition): Trapezohedron
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Noah Webster Dictionary (1913 edition): Trapezohedron
Subjects in this Topic:
(1):
(n.) A solid bounded by twenty-four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under Trisoctahedron.
(2):
(n.) A tetartohedral solid of the hexagonal system, bounded by six trapezoidal planes. The faces of this form are common on quartz crystals.