Ology

n.

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.

Noun

1.

ology - an informal word (abstracted from words with this ending) for some unidentified branch of knowledge

academic discipline, academic specialty, applied science, area, arena, art, concern, department of knowledge, discipline, domain, field, field of inquiry, field of study, natural science, province, pure science, science, social science, specialty, sphere, study, technicology, technics, technology