refrangibility

/rɪˌfrændʒəˈbɪləti/
noun
  1. The quality of being able to be bent or broken, especially referring to light being split into different colors when passing through a prism.
    • The refrangibility of white light explains how rainbows form.
    • Scientists study the refrangibility of different materials to understand their optical properties.
    • The prism experiment demonstrated the refrangibility of sunlight.