What does "optical prism" mean?

optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image

What is a synonym for "optical prism"?

Common synonyms include: prism, prisms.

Rare ·Advanced level

Noun

1
optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image wordnet