Definition of dodecahedron

i. An isometric form composed of 12 equal rhombic faces, each parallel to 1 axis and intersecting the other 2 axes at equal distances, specif. named the rhombic dodecahedron.



See Also: pyritohedron

ii. Any solid with 12 symmetrically equivalent faces, e.g. deltoid; pyritohedron.

iii. The isometric form 110 , the rhombic dodecahedron.

iv. Brazilian diamonds with the dodecahedral form, also called Brazilian stone.