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refractive index. In DICTIOUS you will not only get to know all the dictionary meanings for the word
refractive index, but we will also tell you about its etymology, its characteristics and you will know how to say
refractive index in singular and plural. Everything you need to know about the word
refractive index you have here. The definition of the word
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English
Noun
refractive index (plural refractive indices)
- (physics) The ratio of the speed of light in air or vacuum to that in another medium.
Translations
ratio of the speed of light in vacuum to another medium