prism
英 ['pr?z(?)m]
美['pr?z?m]
- n. 棱鏡；[晶體][數(shù)] 棱柱
英英釋意
- 1. a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
- 2. optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image