Search Result for "zurvanism": 
Wordnet 3.0

NOUN (2)

1. a Zoroastrian sect that claims Zurvan was the ultimate source of the universe;

2. a heretical Zoroastrian doctrine holding that Zurvan was the ultimate source of the universe and that both Ahura Mazda and Ahriman were Zurvan's offspring; 



WordNet (r) 3.0 (2006):

Zurvanism
    n 1: a Zoroastrian sect that claims Zurvan was the ultimate
         source of the universe
    2: a heretical Zoroastrian doctrine holding that Zurvan was the
       ultimate source of the universe and that both Ahura Mazda and
       Ahriman were Zurvan's offspring