Word: optical
Phonetic:
/ˈɒptɪkəl/Listen:
Of, or relating to sight; visual. Example: Strabismus is an optical defect.
Designed to assist or enhance sight Example: A microscope is an optical instrument.
Of, or relating to optics. Example: Refraction is an optical effect.
Of, or relating to visible light. Example: Optical telescopes don't work when it is cloudy.
Incorporating light-sensitive devices. Example: An optical switch opens the door automatically.
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