Lightguide
Optical waveguide and lightguide are semantically related in optical fiber topic. In some cases you can use "Optical waveguide" instead a noun "Lightguide", when it comes to topics like optical fibre.
Optical waveguide
Lightguide and optical waveguide are semantically related in optical fiber topic. You can use "Lightguide" instead a noun "Optical waveguide", if it concerns topics such as optical fibre.
Mutual synonyms
Cite this Source
Optical waveguide and Lightguide. (2017). Retrieved 2026, August 02, from https://thesaurus.plus/related/lightguide/optical_waveguide
Lightguide & Optical waveguide. N.p., 2017. Web. 02 Aug. 2026. <https://thesaurus.plus/related/lightguide/optical_waveguide>.
Optical waveguide or Lightguide. 2017. Accessed August 02, 2026. https://thesaurus.plus/related/lightguide/optical_waveguide.
Google Ngram Viewer shows how "lightguide" and "optical waveguide" have occurred on timeline