ultramicroscope
/ˌʌltrəˈmaɪkrəˌskoʊp/
noun
- A microscope that uses a special lighting technique to see particles too small for a regular microscope.
- In biology class, we learned how an ultramicroscope can detect particles smaller than a wavelength of light.
- Ultramicroscopes help researchers study viruses and other tiny structures.
- The scientist used an ultramicroscope to observe tiny dust particles in the air.