Noun
The doctrines of the nestorian Christians, or of Nestorius.
Source: Webster's dictionaryBury, pg 249 Meanwhile, Syria and Mesopotamia were divided between Nestorianism and Jacobitism, while the religion of Armenia was wholly Cyrilline Non-Chalcedonian. Source: Internet
Cyril had both theological and political reasons for attacking Nestorius; on top of feeling that Nestorianism was an error against true belief, he also wanted to denigrate the head of a competing patriarchate. Source: Internet
Miaphysitism further In 451 the Council of Chalcedon was held to further clarify the christological issues surrounding Nestorianism. Source: Internet
Where Nestorianism holds that Christ had two loosely united natures, divine and human, monophysitism holds that he had but a single nature, his human nature being absorbed into his divinity. Source: Internet
Cyril argued that Nestorianism split Jesus in half and denied that he was both human and divine. Source: Internet