n.
Pronunciation: ˌ zo ̇ r- ə - ' was-tr ē - ə - ˌ ni-z ə m
Function: noun
Date: 1849
: a Persian religion founded in the sixth century B.C. by the prophet Zoroaster, promulgated in the Avesta, and characterized by worship of a supreme god Ahura Mazda who requires good deeds for help in his cosmic struggle against the evil spirit Ahriman
– Zo · ro · as · tri · an \ -tr ē - ə n \ adjective or noun