What does the suffix ology mena?

The suffix "-ology" comes from the Greek word "logos," meaning "word," "study," or "reason."

Therefore, "-ology" signifies the study or science of.

For example:

* Biology is the study of life.

* Geology is the study of the Earth.

* Sociology is the study of society.

* Psychology is the study of the mind.

So, whenever you see "-ology" at the end of a word, you know it refers to a field of study or a scientific discipline.