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Jun 21, 2026 · The meaning of OPTICAL is of or relating to the science of optics. How to use optical in a sentence.

Optics is the branch of physics that studies the behaviour, manipulation, and detection of electromagnetic radiation, including its interactions with matter and instruments that use or detect it. …

OPTICAL definition: 1. relating to light or the ability to see: 2. used in order to see something better: 3. reading…. Learn more.

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Define optical. optical synonyms, optical pronunciation, optical translation, English dictionary definition of optical. adj. 1. Of or relating to sight; visual: an ...

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