refractive index

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English

Etymology

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Pronunciation

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Noun

refractive index noun

The ratio of the speed of light in air or vacuum to that in another medium.

Verb

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Synonyms

index of refraction refringence reflectance refraction snell's law refractive power total internal reflection reflectancy birefringence lightspeed rapidity dielectric constant photoreflectance absorbency absorptance constringence

Usage & collocations

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References