| Zoroastrianism (n.) The religious system of Zoroaster, the legislator and prophet of the ancient Persians, which was the national faith of Persia |
| Zoroastrianism Mazdaism | system of religion founded in Persia in the th century BC by Zoroaster, set forth in the Zend-Avesta, based on concept of struggle between light (good) and dark (evil) |