refract

/rɪˈfrækt/
verb
  1. To bend or change the direction of light, sound, or other waves as they pass from one medium to another.
    • The lens in your eye helps refract incoming light so you can see clearly.
    • Scientists use prisms to refract white light into a rainbow of colors.
    • A glass of water can refract light, making a straw look bent.
What does "refract" mean? | whatsthatwordmean | whatsthatwordmean