from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an irregular dodecahedron, consisting of identical but irregular pentagons
- n. the shape of a crystal of pyrite
from the GNU version of the Collaborative International Dictionary of English
- n. The pentagonal dodecahedron, a common form of pyrite.
from The Century Dictionary and Cyclopedia
- n. In crystallography, a pentagonal dodecahedron (see dodecahedron); a solid contained by twelve pentagons: a common form with pyrite, whence the name. It is the hemihedral form of the tetrahexahedron.
Sorry, no etymologies found.