■ plural noun [treated as sing. ] the branch of science concerned with the effect of electric fields on light and optics.
Derivatives
electro-optic adjective
electro-optical adjective
■ plural noun [treated as sing. ] the branch of science concerned with the effect of electric fields on light and optics.
Derivatives
electro-optic adjective
electro-optical adjective
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004