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BNC: 42073 COCA: 30787

astigmatism

noun
/əˈstɪɡmətɪzəm/
/əˈstɪɡmətɪzəm/
[uncountable] (medical医学)
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  1. a fault in the shape of a person’s eye that prevents them from seeing clearly散光
    Word Originmid 19th cent.: from a- ‘without’ + Greek stigma ‘point’ + -ism.
BNC: 42073 COCA: 30787
BNC: 42073 COCA: 30787
BNC: 42073 COCA: 30787
astigmatism
Describing someone's ability to see: bleary, blind, blind...

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