microprisms
/ˈmaɪkroʊˌprɪzəmz/
noun
- Plural of microprism; very small prisms used in optical devices.
- The reflective tape contains thousands of microprisms that bounce light back to the driver.
- Microprisms in the projector's screen help distribute the image evenly across the surface.
- New sunglasses use microprisms to reduce glare without darkening the view too much.