5
eyes(noun, adjective, sight, eyesight, eyeshot)
3
acoustics
3
crystallography
3
electronics
3
eyesight(noun, vision, recognition, sight, excitability)
3
optic(noun, pie, meniscus)
3
optical
2
catoptrics
2
astrophysics
2
natural philosophy(expression, idiom)
2
physics
2
vision(noun, ability, recognition, sight, excitability)
2
visuals
1
physical science(expression, idiom)
1
actinology
1
actinometry
1
aerophysics
1
applied physics
1
astronomy
1
basic conductor physics(expression, idiom)
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APASmart Define. (2015). optics thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/optics/thesaurus/synonyms
ChicagoSmart Define. 2015. "optics thesaurus" https://smartdefine.org/optics/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, optics thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/optics/thesaurus/synonyms>.
MLASmart Define. "optics thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/optics/thesaurus/synonyms>