Definitions

1. noun

a branch of knowledge; a field of study

“She studied biology and psychology, both sciences that fall under the category of life logy.”

2. noun

a record or account of something

“He kept a travel logy of his trip to Europe.”

3. noun

a study of the relationship between two or more things

“The sociologists conducted a logy of the social media usage patterns.”

4. suffix

forming nouns denoting a branch of knowledge or study

“biology is a logy of life”