■ plural noun [usu. treated as sing. ] the branch of science concerned with vision and the behaviour of light.
OPTICS
Meaning of OPTICS in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004
■ plural noun [usu. treated as sing. ] the branch of science concerned with vision and the behaviour of light.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004