Definitions

1. noun

the study of demons and the belief in their existence

“The professor specialized in demonology and wrote several books on the subject.”

2. noun

the study of evil spirits and supernatural beings

“Her interest in demonology led her to explore the world of the occult.”

3. noun

a field of study that examines the nature and behavior of demons

“The book on demonology was a comprehensive guide to understanding the supernatural.”