trapezohedron

名词 n.
中文释义

英文释义

名词 n.
  1. Any of a class of polyhedra that have kite-shaped faces and are dual polyhedra of antiprisms.
    — The general form is called the tetragonal trapezohedron. In this case also there are both left- (Fig. 97) and right-handed (Fig. 98) forms.
  2. A deltoidal icositetrahedron.
    — A trapezohedron has 24 equal faces, each a four-sided figure or trapezium. Unlike the forms already described, which are always the same, there are several different trapezohedrons, all having the same number of faces but differing in the angles between the faces.

词形变化

trapezohedra plural trapezohedrons plural

词汇关系

衍生词
twelve-faced trapezohedron

词源

From trapezium + -hedron, with trapezium used in the US sense of a convex irregular quadrilateral.
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