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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Nearby words
- optical isomer,
- optical isomerism,
- optical mark reading,
- optical microscope,
- optical mouse,
- optical printer,
- optical pumping,
- optical pyrometer,
- optical resonator,
- optical rotation
Origin of optical path
First recorded in 1890–95
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019