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Refractive index
noun
Word Frequency:
2.9
Definitions
1.
noun
The ratio of the speed of light in air or vacuum to that in another medium.
Synonyms
index of refraction
refringence
reflectance
refraction
snell's law
refractive power
total internal reflection
reflectancy
birefringence
lightspeed
rapidity
dielectric constant
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