microorganism
1 of 1noun/ˌmaɪkroʊˈɔrgəˌnɪzəm/
Forms:microorganisms
1
a tiny living organism that can only be seen under a microscope, including bacteria, viruses, fungi, and protozoa
- Scientists discovered a new microorganism in the soil that could help improve crop yields.
- The microorganism responsible for the infection was identified as a type of bacteria.
- Under the microscope, the microorganism appeared to be moving rapidly.
- Some microorganisms are beneficial to human health, aiding in digestion and immunity.
- The lab technician cultured the microorganism to study its properties and behavior.
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