Enter a clue or pattern or both:
The Clue
Function of a prism (10 letter answer)
The Answer
REFRACTION
Tags
Notes
The answer REFRACTION is so rare that it appears less than once every 2500 puzzles.
Definition
REFRACTION as a noun:
1. the change in direction of a propagating wave (light or sound) when passing from one medium to another
2. (deflection, deflexion, refraction) = the amount by which a propagating wave is bent