supermajoritarianism en · NOUN
Etymology
From supermajoritarian + -ism.
Meanings
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(uncountable) A form of democracy in which decisions must be made by a supermajority of the whole group.
Buchanan and Tullock (1962) provide a different justification for supermajoritarianism.
2006, Anthony J. McGann, The Logic of Democracy: Reconciling Equality, Deliberation, and Minority Protection, page 93: