microprism
/ˈmaɪkroʊˌprɪzəm/
noun
- A very small prism, often used in optical devices to reflect or bend light.
- Tiny microprisms on a traffic sign make it shine brightly when car headlights hit it.
- The camera's viewfinder uses a microprism to help the photographer focus the image.
- Engineers designed a microprism array to direct sunlight into the building's interior.
Synonyms