noun, noun which may take the genitive case particle 'no'
Refers to a transparent optical element with flat, polished surfaces that refract light. Also used attributively with の to describe prism-shaped or prism-related things.
When light passes through a prism, it splits into rainbow colors.
Designs that use a prism effect are popular.
When sunlight passes through a prism, it splits into seven colors.
We shone a laser onto the prism to observe how it refracted.
In science class, we did an experiment splitting light with a prism.