[1] : The Collaborative International Dictionary of English v.0.48

zoroastrianism \zo`roas"trianism\, 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.
   1913 webster
see also:
fire worship fire parsee 

[2] : WordNet (r) 2.0

zoroastrianism
     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
         syn: mazdaism
see also:
mazdaism 

Zoroastrianism >> Z Words
Zoroastrianism, definition of term: Zoroastrianism
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