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optical

adjective

ˈäp-ti-kəl How to pronounce optical (audio)
Definition of opticalnext
as in optic
of, relating to, or used in vision an optical illusion that fools most people

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of optical Researchers can reduce the material to only a few layers while preserving its magnetic and optical behavior. — Aamir Khollam, Interesting Engineering, 18 Sep. 2026 Nikon's optical gear features in our guides to the best cameras, lenses and binoculars. — Chris McMullen, Space.com, 17 Sep. 2026 See All Example Sentences for optical
Recent Examples of Synonyms for optical
  1. optic
  2. visual
Adjective
  • Following the successful activation of its infrared sensors, engineers moved on to calibrate the WFI's element wheel, which filters individual wavelengths for detection using a system of prisms and other optic mechanisms.
    — Josh Dinner, Space.com, 16 Sep. 2026
  • Classics like black and cream—a richer, warmer tone than optic white—always work too.
    — Jake Henry Smith, Glamour, 12 Aug. 2026
Definition of optic
Adjective
  • In flight tests, the tiny drone navigated pitch-black enclosures, mapped unknown room layouts, hugged surface contours, and located exits without a single visual cue.
    — Mrigakshi Dixit, Interesting Engineering, 18 Sep. 2026
  • The visual element of her storytelling evocatively portrays America’s vast desertscapes and cityscapes, while bringing the journey to palpable life for teenage readers.
    — Literary Hub, Literary Hub, 17 Sep. 2026
Definition of visual

Phrases Containing optical

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optic
optical
optical illusion
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Cite this Entry

“Optical.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/optical. Accessed 19 Sep. 2026.

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