prismatic
From Longman Dictionary of Contemporary EnglishRelated topics: Optics, Coloursprismaticpris‧mat‧ic /prɪzˈmætɪk/ adjective 1 HPOusing or containing a prism a prismatic compass2 CCa prismatic colour is very clear and brightExamples from the Corpusprismatic• prismatic crystal• It, however, seems necessary to carry out further research into adaptation to prismatic distortion in order to isolate the exact cause.• Yet in his prismatic experiments he mentions only red and blue.• Dragonflies dip and buzz, their prismatic wings turning the waning sunlight to diamonds.