heresiology

[ huh-ree-zee-ol-uh-jee, -see-, her-uh-see- ]

noun

, plural he·re·si·ol·o·gies

1. the study of heresies.
2. a heresiography.

Word History and Origins

Origin of heresiology¹

First recorded in 1855–60; heresy + -o- + -logy