— pyritohedral , adj.
/puy ruy'teuh hee"dreuhn, peuh-, puy'ruy-/ , n. Crystall.
a crystal form of 12 pentagonal faces. Also called pentagonal dodecahedron . See diag. under dodecahedron .
[ 1865-70; pyrito- (comb. form of PYRITE) + -HEDRON ]
— pyritohedral , adj.
/puy ruy'teuh hee"dreuhn, peuh-, puy'ruy-/ , n. Crystall.
a crystal form of 12 pentagonal faces. Also called pentagonal dodecahedron . See diag. under dodecahedron .
[ 1865-70; pyrito- (comb. form of PYRITE) + -HEDRON ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012