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Refraction vs Undefined - What's the difference?

refraction | undefined |

As a noun refraction

is refraction (bending of any wave).

As an adjective undefined is

lacking a definition or value.

refraction

English

(wikipedia refraction)

Noun

(en noun)
  • (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.
  • (metallurgy) The degree to which a metal or compound can withstand heat

    • Related terms

    * refractive * refractory

    Anagrams

    *

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined