1N-COUNT 棱镜 A prism is a block of clear glass or plastic which separates the light passing through it into different colours. 棱镜
2N-COUNT [usually singular, NOUNof n]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. 曲解；扭曲 [literary]
Through the smoky prism of time, I could just barely make out my father as a young man.