DuckCorp Dico

Found one definition

1.                 From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
                   
   
   
                   
                     
   prism //ˈpɹɪzəm// /[ˈpʰɹ̠̊ɪzm̩]/ <n>
   1. プリズム, 三稜鏡
   block used to split or reflect light
   2. プリズム, 角柱
   geometry: polyhedron with parallel ends of the same size and shape