law of refraction

noun

Medical Definition of law of refraction 

: a law in physics: in the refraction of radiation at the interface between two isotropic media the incident ray and the corresponding refracted ray are coplanar with the refracting surface at the point of incidence and the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the index of refraction

Learn More about law of refraction

Share law of refraction

Comments on law of refraction

What made you want to look up law of refraction? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the figure or shape of a crescent moon

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!