Microbiologist (noun)

A scientist who studies microorganisms, such as bacteria, viruses, and fungi.

Origin:

Late 19th century: from french microbiologiste, from microbe + -logist.

Examples:

1. The microbiologist conducted research on the genetic structure of bacteria.
2. She was a leading microbiologist in the field of infectious diseases.
3. The microbiologist used a microscope to study the microorganisms.
4. He was trained as a microbiologist at a prestigious university.
5. The microbiologist's discoveries led to the development of new antibiotics.