ology Meaning, Definition & Usage

  1. noun an informal word (abstracted from words with this ending) for some unidentified branch of knowledge

WordNet

Ol"o*gy noun
Etymology
See -logy.
Definitions
  1. A colloquial or humorous name for any science or branch of knowledge.
    He had a smattering of mechanics, of physiology, geology, mineralogy, and all other ologies whatsoever. De Quincey.

Webster 1913