Microorganism
Pronunciation: /ˌmaɪkroʊˈɔːrɡəˌnɪzəm/
Microorganism (noun)
- A living thing so small it can only be seen with a microscope.
- A very small organism that may cause disease in people, animals, or plants.
Examples
- A microorganism can live in soil and water.
- The microorganism grows when conditions are right.