The theological beliefs or school of thought associated with Berengar of Tours, particularly his teachings that challenged the doctrine of transubstantiation.
From 'Berengar' + '-ian' + '-ism' (system of beliefs). The '-ism' ending transforms a person's name into an ideology or set of principles.
Berengaranism is technically 'dead' as a religion, but his ideas about using reason in theology lived on and influenced later Protestant Reformation thinkers!
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