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 |
|---|---|
| discredit | to refuse to accept as true or accurate : disbelieve |
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| mores | the fixed morally binding customs of a particular group |
| outgoing | going away : departing |
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| evenhanded | fair |
| usage | firmly established and generally accepted practice or procedure |
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