biprism
/ˈbaɪprɪzəm/
noun
- A prism with two angled faces, used in optics to split a beam of light into two separate beams.
- The physics teacher used a biprism to demonstrate the interference of light waves.
- In the lab, we set up a biprism to create two virtual light sources from a single beam.
- The biprism experiment helped students understand the wave nature of light.