Definition of "typology" [ty•pol•o•gy]

• The study or systematic classification of types that have characteristics or traits in common. (noun)
• A theory or doctrine of types, as in scriptural studies. (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.

• "The structure's octagonal, centralized typology, is also troubling."
• "Another typology is Publicist as Biggest Fan, where the publicist, after a ten-hour workday, is the only person who shows up for the author's reading."
• "This kind of parallelism is called typology, or symbolic exegesis."