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Index Of Refraction

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Noun

1. index of refraction, refractive index

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

WordNet Lexical Database for English. Princeton University. 2010.

Index Of Refraction

see synonyms of index of refraction
noun
another name for refractive index

Collins English Dictionary. Copyright © HarperCollins Publishers

Index Of Refraction

see synonyms of index of refraction
the ratio of the sine of the angle of incidence to the sine of the angle of refraction for a ray of light crossing from one medium into another

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Index Of Refraction

see synonyms of index of refraction
n.
The ratio of the speed of light in a vacuum to the speed of light in a medium under consideration. Also called refractive index.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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