PYRITOHEDRAL
Pyr`i*to*he"dral, a. Etym: [See Pyritohedron.] (Crystallog.)
Defn: Like pyrites in hemihedral form.
PYRITOHEDRON
Pyr`i*to*he"dron, n. Etym: [Pyrite + Gr. (Crystallog.)
Defn: The pentagonal dodecahedron, a common form of pyrite.
PYRITOID
Pyr"i*toid, n. Etym: [Pyrite + -oid.] (Crystallog.)
Defn: Pyritohedron. [R.]
PYRITOLOGY
Pyr`i*tol"o*gy, n. Etym: [Gr. -logy.]
Defn: The science of blowpipe analysis.
PYRITOUS
Pyr"i*tous, a.
Defn: Pyritic.