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 |
|---|---|
| precarious | dependent on chance circumstances, unknown conditions, or uncertain developments |
| entice | to attract artfully or adroitly or by arousing hope or desire : tempt |
| resignation | an act or instance of resigning something : surrender |
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| problematic | posing a problem : difficult to solve or decide |
| disgorge | to discharge by the throat and mouth : vomit |
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| shard | a piece or fragment of a brittle substance |