from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Zoroastrianism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The Zoroastrian religion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. system of religion founded in Persia in the 6th century BC by Zoroaster; set forth in the Zend-Avesta; based on concept of struggle between light (good) and dark (evil)
From Avestan mazdå, the good principle, from mazdā-, wise; see Ahura Mazda.(American Heritage® Dictionary of the English Language, Fourth Edition)
Mazda + -ism (Wiktionary)