FUNDAMENTALISM
fundamentalism
(noun) the strict adherence to the basic principles or doctrines of a religion, ideology, etc.
fundamentalism
(noun) a form of Protestantism that takes the interpretation of every word in the sacred texts as literal truth
Source: WordNet® 3.1
Etymology
Noun
fundamentalism (countable and uncountable, plural fundamentalisms)
(religion) The tendency to reduce a religion to its most fundamental tenets, based on strict interpretation of core texts.
Synonym: bibliolatry
(by extension) A rigid conformity to any set of basic tenets.
(finance) The belief that fundamental financial quantities are the best predictor of the price of a financial instrument.
Source: Wiktionary