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ology

American  
[ol-uh-jee] / ˈɒl ə dʒi /

noun

Informal or Facetious.

plural

ologies
  1. any science or branch of knowledge.


ology British  
/ ˈɒlədʒɪ /

noun

  1. informal a science or other branch of knowledge

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ology

First recorded in 1795–1805; extracted from words like biology, geology, etc., where the element -logy is preceded by the connecting vowel -o-; -o-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The word “logic” comes from the Greek term “logos” which is the root for our suffix -ology.

From Salon

“I made this error of doing economics and policy, instead of what I was really interested in, which was the animals. I could have done conservation biology, but I was too intimidated by the ‘ology.’”

From New York Times

“Hidden Brain,” hosted by Shankar Vedantam, explores concepts from cognitive science, psychology, sociology, anthropology — basically all the -ologies! — and how these concepts are expressed in our lives.

From Los Angeles Times

Every scientific project that persists gets an ‘-ology’, and the study of sociable viruses is no different.

From Nature

Categories often come with an education-related twist, such as questions on “-ology” or surveys about the best job you could have in college.

From Washington Post