Dictionary
Zo•ro•as•tri•an•ism
Pronunciation: (zôr"ō-as'trē-u-niz"um, zōr"-), [key]—
n.
an Iranian religion, founded c600b.c.by Zoroaster, the principal beliefs of which are in the existence of a supreme deity, Ahura Mazda, and in a cosmic struggle between a spirit of good, Spenta Mainyu, and a spirit of evil, Angra Mainyu.
Also,Zo"ro•as'trism.Also called
Mazdaism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.