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op·ti·cal
Pronunciation:\ˈäp-ti-kəl\
Function: adjective
Date:1570
Pronunciation:\ˈäp-ti-kəl\
Function: adjective
Date:1570
1: of or relating to the science of optics
2 a: of or relating to vision : visual
b: visible
1
c: of, relating to, or being objects that emit light in the visible range of frequencies
d: using the properties of light to aid vision
3 a: of, relating to, or utilizing light especially instead of other forms of energy
b: involving the use of light-sensitive devices to acquire information for a computer
4: of or relating to optical art
— op·ti·cal·ly \-k(ə-)lē\ adverb
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