学问,科学
Ology \Ol"o*gy\, n. [See {-logy}.]
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.
ology
n : an informal word (abstracted from words with this ending)
for some unidentified branch of knowledge