Optic
Trifocals
Mutual synonyms
Cite this Source
Trifocals and Optic. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/optic/trifocals
Optic & Trifocals. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/optic/trifocals>.
Trifocals or Optic. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/optic/trifocals.
Google Ngram Viewer shows how "optic" and "trifocals" have occurred on timeline