DIOPTRIC


Meaning of DIOPTRIC in English

[ dʌɪ'ɒptrɪk ]

■ adjective relating to the refraction of light, especially in the organs of sight or in devices which aid or improve the vision.

Origin

C17: from Gk dioptrikos , from dioptra , a kind of theodolite (see dioptre ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.