Power Thesaurus 1969, thermometer thesaurus, Power Thesaurus, viewed 14 April, 2017, <http://www.powerthesaurus.org/thermometer/synonyms>.
Full Definition of SCHISM. 1. 2. a: formal division in or separation from a church or religious body b: the offense of promoting schism. See schism defined for English-language learners.
The Schism of the East that happened in 1054 was when the Eastern Rites of the Church broke into two, with half or each Rite remaining with Rome, and half of each Rite going into schism. It was primarily for political reasons, but nevertheless devastating.