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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

The bending of a ray of light as it passes on a slant into a medium of a different density, as from air into water.

Usage examples (35)
  • The professor explained conical refraction to the class.
  • Yes, that's refraction from the top of the protective glass.
  • Any gas would work, although helium's index of refraction is extremely low.
  • This phenomenon, called refraction, is readily observable when a straw placed into a glass of water appears to be bent or broken. for more
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