optical path


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.


Nearby words

  1. optical isomer,
  2. optical isomerism,
  3. optical mark reading,
  4. optical microscope,
  5. optical mouse,
  6. optical printer,
  7. optical pumping,
  8. optical pyrometer,
  9. optical resonator,
  10. 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