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Meanings of index of refraction in English

Portuguese
índice refrativo
Wikidata

The ratio of the velocity of light in a vacuum to that in a medium.

        índice refrativo
        Usage of index of refraction in English
        1
        Let me assume that the index of refraction in air is 1.
        Wired
        2
        The index of refraction of ebonite was found by Profs.
        Scientific American Supplement, No. 288, July 9, 1881
        3
        Well, that won't give you the depth, but it could give you the index of refraction.
        Wired
        4
        You could also estimate the index of refraction by measuring the angular distance between the head and body.
        Wired
        5
        Their minds had the same index of refraction, so that thoughts flashed back and forth between them effortlessly and without distortion.
        Mary Wollaston
        6
        Oh, let's say the index of refraction for water is 1.33 - that's important for the plot below.
        Wired
        Translations for index of refraction