refractive index
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.refractive index
nounDefinition of REFRACTIVE INDEX
: the ratio of the speed of radiation (as light) in one medium (as air, glass, or a vacuum) to that in another medium
See First Known Use of REFRACTIVE INDEX
1839
refractive index
noun (Medical Dictionary)Medical Definition of REFRACTIVE INDEX
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