网站首页  英汉词典  汉英词典  英语造句  英文缩写  日汉词典  汉日词典  韩汉词典  汉韩词典  德汉词典  汉德词典  法汉词典  汉法词典  汉语字典  汉语词典  成语词典  说文解字  近反义词  中文造句  诗词名句  诗词古文


请输入您要查询的英文单词:

 

单词 astigmatism
释义

astigmatism

音标[?'stigm?tizm]

汉语翻译

n. 散光
【化】 像散
【医】 散光

词型变化:

副词:astigmatically 形容词:astigmatic 

英语解释:

名词 astigmatism:

  1. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
    同义词:astigmia
  2. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
    同义词:astigmia

详细解释:


a.stig.ma.tism

n.(名词)
A refractive defect of a lens or other optical system that prevents light rays from converging at a single point, resulting in a blurred or imperfect image.
散光:有折射缺陷的透镜或其它光学系统,阻碍光线汇聚于一个焦点,形成一个模糊或不完全的图象
A visual defect in which the unequal curvature of one or more refractive surfaces of the eye, usually the cornea, prevents light rays from focusing clearly at one point on the retina, resulting in blurred vision.
乱视,像散:一种视力缺陷,眼球表示面一点或多点折射时屈光不均,通常为角膜,使光线不能清晰地在视网膜上聚为一个焦点,从而导致视力模糊不清

来源:
a-
a-
Greek stigma stigmat- [point] from stizein stig- [to tattoo] * see steig-
希腊语 stigma stigmat- [尖端,点] 源自 stizein stig- [刺青] *参见 steig-

【引伸】
as.tigmat.ic

as.tigmat.ically
adv.(副词)

随便看

 

英语词典包含435040条英汉在线翻译词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2002-2024 jbsyl.com All Rights Reserved
更新时间:2026/4/29 18:06:04