refractive index

noun
|Updated on: 25 Jun 2018

Definition of refractive index

: the ratio of the speed of radiation (such as light) in one medium (such as air, glass, or a vacuum) to that in another medium

Recent Examples of refractive index from the Web

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First Known Use of refractive index

1839

in the meaning defined above

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Medical Dictionary

refractive index

noun

medical Definition of refractive index


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