/ Dictionary / Index Z Zurvanism: Meaning and Definition of Find definitions for: Zur•van•ism Pronunciation: (zûr'vu-niz"um), [key] — n. a Zoroastrian heresy that developed during the late Achaemenian period according to which both Ahura Mazda and Angra Mainyu were offspring of Zurvan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zurvanism (Thesaurus) Zurvan Zuyder Zee Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language