The Collaborative International Dictionary
Pyritohedron
Pyritohedron \Pyr`i*to*he"dron\, n. [Pyrite + Gr. ? base.] (Crystallog.) The pentagonal dodecahedron, a common form of pyrite.
Wiktionary
pyritohedron
n. 1 (context mathematics English) an irregular dodecahedron, consisting of identical but irregular pentagons 2 the shape of a crystal of pyrite
Wikipedia
Pyritohedron
- redirect Dodecahedron#Pyritohedron