GRE Word List
ASTIGMATISM
a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image
The meaning of the word astigmatism is a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image.
Random words
| Word | Meaning |
|---|---|
| icon | a person or thing widely admired especially for having great influence or significance in a particular sphere |
| insurgent | a person who revolts against civil authority or an established government |
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| altercation | a noisy, heated, angry dispute |