1. 棱镜
A prism is a block of clear glass or plastic which separates the light passing through it into different colours.

2. 曲解；扭曲
If you see something through a prism of something such as time or memory, your idea of it is affected by that thing.

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

Synonym: optical prism

2. a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms