refraction

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See also: réfraction

English[edit]

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A soda straw in a glass of liquid shows the refraction of light in the liquid.

Etymology[edit]

refract +‎ -ion

Pronunciation[edit]

Noun[edit]

refraction (plural refractions)

  1. (physics) The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density.
  2. (metallurgy) The degree to which a metal or compound can withstand heat

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