Sentence Examples


  • The truncated dodecahedron is formed by truncating the vertices of a dodecahedron parallel to the faces of the coaxial icosahedron so as to leave the former decagons.
  • The "rhombic dodecahedron," one of the geometrical semiregular solids, is an important crystal form.
  • Elie de Beaumont, in his speculations on the relation between the direction of mountain ranges and their geological age and character, was feeling towards a comprehensive theory of the forms of crustal relief; but his ideas were too geometrical, and his theory that the earth is a spheroid built up on a rhombic dodecahedron, the pentagonal faces of which determined the direction of mountain ranges, could not be proved.'
  • DODECAHEDRON (Gr.
  • 1 shows P the cube {100}, d the octahedron {III }, and e the pentagonal dodecahedron {210}.