optical

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optical /ˈɑːptɪkəl/ adjective
optical
/ˈɑːptɪkəl/
adjective
Learner's definition of OPTICAL
technical
: used to help a person see
: involving the use of devices that get information for a computer by identifying patterns of light

— optically

/ˈɑːptɪkli/ adverb
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