Definition of "demonology" [de•mon•ol•o•gy]

• The study of demons. (noun)
• Belief in or worship of demons. (noun)
• A list or catalog of one's enemies: "As the years passed [the magazine's] demonology expanded to include Bolsheviks, radicals, Franklin D. Roosevelt, the New Deal, Government work programs or aid programs of any kind” ( Maggie Nichols). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Perhaps the "other-side-of-the-pond" use of "demonology" is one I've not picked up."
• "Never mind that a warlock on a battlefield — even a Level 80 warlock with a dual talent specialization in demonology and destruction — is a bit like a bug on a windshield."
• "Abbadon: in demonology, was chief of the demons of the seventh hierarchy."