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 |
|---|---|
| temerity | unreasonable or foolhardy contempt of danger or opposition : rashness |
| legerdemain | sleight of hand |
| presage | something that foreshadows or portends a future event : omen |
| interrogate | to question formally and systematically |
| scanty | limited or less than sufficient in degree, quantity, or extent |
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| reverberate | reflect |
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| decant | to draw off (a liquid) without disturbing the sediment or the lower liquid layers |