Microbiologist (from Greek μῑκρος, mīkros, "small"; βίος, bios, "life"; and -λογία, -logia): 'micro' means 'tiny' in reference to objects that typically cannot be seen with the naked eye; 'bio' means life and '-logia' (or '-logy’) is the suffix for study from the classic Greek. A microbiologist studies tiny (microscopic) life forms and processes or works in the field of microbiology.