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optical path

noun
1.
the path of light through a medium, having a magnitude equal to the geometric distance through the system times the index of refraction of the medium.
Origin of optical path
1890-1895
1890-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for optical path
Historical Examples
  • The optical path consists of a series of transparent liquids and solids.

    Visual Illusions Matthew Luckiesh

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Word Value for optical

11
14
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