ASTIGMATISM


Meaning of ASTIGMATISM in English

/ əˈstɪgmətɪzəm; NAmE / noun

[ U ] a fault in the shape of a person's eye that prevents them from seeing clearly

••

WORD ORIGIN

mid 19th cent.: from a- without + Greek stigma point + -ism .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.