prizma
1. prizma
optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image [optična naprava s trikotno obliko iz stekla ali kremenčevega stekla; uporablja se za odboj žarka ali inverzijo slike]
2. prizma
a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms [polieder z dvema kongruentnima in vzporednima podlagama ter stranskimi ploskvami, ki so paralelogrami]