音标:[ә'stigmәtizm] ;
n. 散光
[化] 像散
n. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
n. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
词型变化:名词复数形式 : astigmatisms
词性分布:
名词100%

astigmatism的用法和样例:

例句

用作名词(n.)
  1. They have what is called astigmatism.他们有所谓散光。
  2. Astigmatic dials are targets used for the detection and correction of astigmatism.散光盘是用于辅助检测并矫正散光的视标。

词汇搭配

  • horizontal astigmatism corrector水平象散校正器...
  • inverse astigmatism反规性散光
  • physiological astigmatism生理性散光
  • hypermetropic astigmatism远视散光
  • anisotropic astigmatism各向异性像散现象...
  • irregular astigmatism不规则像散,不规则散...
  • myopic astigmatism近视散光
  • simple myopic astigmatism单纯性近视散光...
  • simple astigmatism单纯散光
  • acquired astigmatism后天性散光
  • regular astigmatism正规散光,规则性散光...
  • oblique astigmatism斜象散
  • axis of astigmatism散光轴
  • compound myopic astigmatism复性近视散光...
  • astigmatism corrector象散校正器
  • mixed astigmatism混合散光,混合性散光...
【近义词】
【反义词】

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