Zoochemistry :: Zoochemistry (n.) Animal chemistry; particularly, the description of the chemical compounds entering into the composition of the animal body, in distinction from biochemistry..
Zoroastrian :: Zoroastrian (a.) Of or pertaining to Zoroaster, or his religious system..
Zoroastrian :: Zoroastrian (n.) A follower of Zoroaster; one who accepts Zoroastrianism.
Zoroastrianism :: Zoroastrianism (n.) The religious system of Zoroaster, the legislator and prophet of the ancient Persians, which was the national faith of Persia; mazdeism. The system presupposes a good spirit (Ormuzd) and an opposing evil spirit (Ahriman). Cf. Fire worship, under Fire, and Parsee..