Collins COBUILD Advanced Learner's English Dictionary - -ology

-ology is used at the end of some nouns that refer to a particular science or subject, for example ‘geology’ or ‘sociology’. SUFFIX OLYMPIAN (Olympians) 1. Olympian means very powerful, large, or impressive. (FORMAL) Getting his book into print has been an Olympian task in itself. ADJ: usu ADJ n 2. An Olympian is a competitor in the Olympic Games. The importance of being an Olympian will vary from athlete to athlete. N-COUNT