Definition from Wiktionary, the free dictionary
demonology (plural demonologies)
- The study of demons, especially the incantations required to summon and control them.
1990, Terry Pratchett, Eric, page 27:
- But it wasn't all that strange, because any wizard bright enough to survive for five minutes was also bright enough to realize that if there was any power in demonology, then it lay with the demons.
study of demons