• synonyms

optical path

See more synonyms for optical path on Thesaurus.com
  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.
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Origin of optical path

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018