| 单词 | astigmatic |
| 释义 | astigmatism /ə-stigˈmə-ti-zm/nounA defect in an eye, lens or mirror, by which rays from a single point are focused as two short focal lines at right angles to each other and at different distances (also astigˈmia /-mi-ə/) ORIGIN: Gr a- (privative), and stigma, -atos a point astigmatic /a-stig-matˈik/ adjective and noun astigmatˈically adverb |
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