Index of refraction
Index of refraction noun - The ratio of the velocity of light in a vacuum to that in a medium.
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Synonyms for Index of refraction
Refractive index is a synonym for index of refraction. In some cases you can use "Refractive index" instead a noun phrase "Index of refraction".
Refractive index
Refractive index noun - The ratio of the velocity of light in a vacuum to that in a medium.
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Synonyms for Refractive index
Index of refraction is a synonym for refractive index. You can use "Index of refraction" instead a noun phrase "Refractive index".
Mutual synonyms
Both terms in one sentence
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This might not work with water and glass, which have an index of refraction of 1.33 and 1.5 respectively, but it works excellently with glass and corn syrup, which apparently have the same refractive index.
Source: Hidden in Plain Sight
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Refractive index and Index of refraction. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/index_of_refraction/refractive_index
Index of refraction & Refractive index. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/index_of_refraction/refractive_index>.
Refractive index or Index of refraction. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/index_of_refraction/refractive_index.