Definition of Mazdaism in US English:

Mazdaism

noun

  • another term for Zoroastrianism
    • ‘The second gallery reflects religious diversity in Turkish history, pointing out the influence of Manichaeism, Christianity, Mazdaism and Buddhism on various Turkish peoples.’

Origin

Late 19th century: from Avestan mazdā (short for Ahura Mazda) + -ism.

Pronunciation

Mazdaism

/ˈmäzdəˌizəm/