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optical path

noun

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.

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Origin of optical path

First recorded in 1890–95

Words nearby optical path

optical isomerism, optical mark reading, optical maser, optical microscope, optical mouse, optical path, optical printer, optical pumping, optical pyrometer, optical resonator, optical rotation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020