[noun] [C] - a division into two groups caused by a disagreement about ideas, esp. in a religious organizationDuring the Great Schism in the Roman Catholic Church, from 1378 to 1417, there was a Pope in Avignon and a Pope in Rome.The schism in/within the Socialist Party will damage its chances of being reelected.
SCHISM
Meaning of SCHISM in English
Cambridge English vocab. Кембриджский английский словарь. 2012