Definition of Mosaism in English:

Mosaism

Pronunciation /ˈməʊzeɪɪz(ə)m/

noun

rare
  • The religious system, laws, and ceremonies prescribed by Moses; adherence to the Mosaic system or doctrines.

Origin

Mid 19th century. From French mosaïsme from mosa- (in mosaïque) + -isme.