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BNC: 20417 COCA: 9313

optics noun [ U ] LIGHT

the study of light and of instruments using light光学

BNC: 20417 COCA: 9313
BNC: 20417 COCA: 9313
BNC: 20417 COCA: 9313
optics
Scientific areas of study: aerodynamics, aeronautics, anatomy...
General words for appearances: optics, appearance, look...

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