1. The branch of Christian theology devoted to the refutation of errors and defence of doctrinal truths
   "His writings in polemics vigorously defended orthodox beliefs against heretical ideas"

1. A controversy (especially over a belief or dogma)
   "The article sparked a polemic about the role of religion in schools"; "The scientist's claims ignited a polemic in the academic community"
    
2. A writer who argues in opposition to others (especially in theology)
   "The polemic published a scathing critique of the church's doctrine";
   - polemicist, polemist

Type of: arguing, argument, author, Christian theology, contention, contestation, controversy, disceptation, disputation, tilt, writer

Encyclopedia: Polemics